Related: 18 ways to lose a sale

It's not just a matter of leaving call after call in his contact's voicemail. In order to connect, he'll try new tactics such as engaging the “gatekeeper,” the executive assistant or a fellow sales rep within the organization. He may even show up in person at unconventional times during business hours — like super early, before work starts, or right at closing time — or even send a text on a Saturday morning.

When great salespeople reach a sales stall, they approach the situation from a new angle. For example, one salesperson was trying to reach an organization's VP of sales for weeks, with no response. So he bought some green notepad paper, took out his Sharpie, and made it to look just like a $100 bill and wrote a note to the VP reading, “Let's turn this into real money for you and your sales team!” He crumpled it up, threw it into an oversized envelope, and mailed it to him.

The client got a laugh and actually called him back that day. They set up a one-on-one business meeting, got an excellent dialogue going — and in little time, he won the account. For achieving sales success — be creatively persistent.

Related: 10 sales behaviors that prospects hate

Passionate salespeople, when achieving sales success, create their own opportunities instead of waiting around for them. (Photo: iStock)

2. Be passionate about what you're selling

Persistence and passion typically go hand in hand. A good salesperson is passionate — that is, he truly believes in his solution. He's hungry, motivated and competitive.

Related: 65 motivational quotes to ignite your insurance sales

This sales rep is a doer, not just a talker. He doesn't blame the current economic climate, or a competitor's lower pricing, or waste time whining about possible weaknesses in his product compared to the competition.

He's got great ideas, and they're measurable by the number and quality of his activities. Passionate salespeople, when achieving sales success, create their own opportunities instead of waiting around for them!

Good salespeople are always looking to develop new business relationships, not waiting until their current well runs dry. (Photo: iStock)

3. Build new business relationships

The key is for salespeople to actively prospect new business relationships rather than limiting their sales efforts to a dwindling customer base. There's a fine line to know when to nurture a present client or seek out new business.

Leveraging and strengthening an existing customer base is important, to be sure, but it's all too easy to become complacent and keep calling on the same customers.

Related: 7 phases of the perfect client funnel

Sometimes the relationship has run its course. In today's ever-changing business climate, a salesperson's timing might be off. A once-promising customer may now be in dire straits, possibly due to mergers and downsizing. He's better off investing his time and efforts on fresh new opportunities. Good salespeople are always looking to develop new business relationships, not waiting until their current well runs dry.

Successful salespeople don't go into a call or meeting without conducting research in advance and developing a strategy. (Photo: iStock)

4. Do your research before the call

Great sales people always bring value on every call. They research, plan and strategize their key accounts. Many sales reps, during a sales call, have a tendency to overwhelm a prospect by reciting sales capabilities that may (or may not) have any relevance to what the customer is looking for. I refer to this technique as “show up and throw up.” News Flash: It doesn't work.

Related: 5 keys to prospecting effectively

Up to 50 percent of the outcome of a major sales call is determined before even one word is exchanged. Good salespeople, when achieving sales success, are thinking about multiple plans. In fact, they've already figured out Plans A, B and C before they even walk in the door. They've done their homework and are armed with knowledge to offset any possible sales obstacle.

Googling the customer's company or checking out its website is a good start, but great salespeople go further. There are many ways to obtain information about your prospect and the prospect's company — LinkedIn, Twitter, Facebook, company blogs, press releases, financial statements and even a company's YouTube channel — all of these sources can provide additional information about industry trends, insider information, news of competitive threats, internal issues, and even your prospect's personal goals and interests.

Even if a salesperson thinks she's got it made with a particular account, if she suddenly loses this business relationship, she'll find herself starting from scratch. (Photo: Thinkstock)

5. Develop new relationships in established accounts

When a salesperson wins an account and develops good rapport with a buyer, he or she tends to gravitate toward that relationship, becoming protective of it. But when he does, he might fall into the trap of being too cautious. He may fear that if he tries to build new relationships, he'll step on his contact's toes or offend him some other way.

Related: 7 steps for keeping business after your contact leaves

The sales rep may think, “This person will help open doors for me.” But when his contact says, “Oh, you don't need to contact anyone here but me,” that's a red flag signaling that he does not have a good relationship to begin with.

Relationships can turn on a dime. Even if a sales rep thinks he's got it made with a particular account, if he suddenly loses this business relationship, he'll find himself starting from scratch.

Most contacts in an established relationship will introduce you to others in their organization, as long as you appeal to their “WIIFM.” Find out what motivates them. Is it looking good, making their job easier, minimizing risks, or helping them be more successful? Address what's important to them and they will gladly open doors for you.

A great salesperson needs to show genuine interest and listen. (Photo: Thinkstock)

6. Ask the right questions to uncover your prospect's needs

Most salespeople have the best intentions, but without realizing it, they're often doing more talking than listening. It's important to realize that asking and listening go hand-in-hand — a great sales rep needs to show genuine interest and listen. In one of my most popular sales training workshops, Questions That Sell, the most crucial concept I try to get across is that asking the right questions allows you to qualify if there actually is an opportunity to pursue. Your job is to know:

• How pressing is the prospect's need?
• Who is involved?
• How are decisions made?
• What's the unique criteria your prospect looks for in a vendor relationship?
• Is there a sense of urgency?
• What are the underlying motivations?
• What kind of budget do they have to invest with you?

Related: Want useful answers from your clients? Ask better questions

Good salespeople thrive on selling value because the additional investment in choosing a premium service fully outweighs the potential cost of doing business with a cheaper but inferior alternative. (Photo: iStock)

7. Sell your customers on value, not price

What if a good salesperson takes pride in his premium product or service, only to be told his price is too high? Not necessarily a problem if he's already asked great questions of all the right people in the organization and done his homework. By then, the salesperson understands his customer's needs and issues, and where the customer wants to go.

Related: How to sell value rather than price

Because the sales rep understands, he's easily able to justify why the customer needs to make that initial investment in the rep's solution over competitive choices. Sure, the customer can pick other options, but there's always the implication that if he were to do so, the risk would be too great.

Let's say the customer went with a lower-priced computer system of lower quality. A glitch in the customer's computer system causes it to crash, bringing everything in the company to a standstill for the rest of the day. That could cost the customer thousands of dollars, easily wiping out what he saved when he bought that cheap system.

Or, let's say a delivery to the customer's customer was a day late. That'll not only cost the customer big bucks, it could cost them a client! Bottom line is that customers will spend more money rather than risk their reputations or their jobs.

Good salespeople thrive on selling value because the additional investment in choosing a premium service fully outweighs the potential cost of doing business with a cheaper but inferior alternative.

For achieving sales success, whatever it takes for the sales rep to encourage customers to continue the sales process is paramount. (Photo: iStock)

8. Get customers to commit

Sales commitment is an important goal when salespeople are trying to achieve some form of closure, some kind of outcome to each sales call. Even if the salesperson doesn't get an agreement on an order right away, because multiple steps are required. That's okay.

Related: Why the 'hard close' isn't working

This salesperson knows he won't be satisfied with just leaving some literature and promising a follow-up call. He always has a purpose, a call-to-action. It could be as simple as the sales rep scheduling a follow-up meeting with other parties, or an appointment to return to demonstrate a product or service to the customer, or bringing the customer and his boss to visit and evaluate the salesperson's facility.

For achieving sales success, whatever it takes for the sales rep to encourage customers to continue the sales process is paramount. By getting them to invest their time and resources, they demonstrate a willingness to keep the sale moving forward.

Related: 3 different closing tactics to help you seal the deal