Sales guide

How to improve sales performance.

The short version: find where calls are lost, practice those moments a little every day, and track what changes.

By the Della AI team · October 2026 · Sources linked below

Quick answer

To improve sales performance, respond to leads fast, find the objections your reps lose on most, write one best answer for each, practice those answers out loud for a few minutes every day, review real calls weekly, coach on a schedule, and track dials, conversations, meetings booked and close rate per rep.

What's the best way to improve sales?

Fix the few moments where calls are lost. Find the objections your reps lose on most, write the best answer to each, practice those answers out loud a little every day, and review real calls to see what worked. Small, frequent practice on the real problems beats a once-a-quarter training day.

Most sales teams don't have a lead problem or a script problem. They have a few moments, usually the same objections, where good calls fall apart. Fixing those moments moves the numbers faster than adding more training content.

How can I improve my sales?

Seven steps, in order:

  1. Respond to leads fast. Harvard Business Review found firms that contacted online leads within an hour were about 7 times more likely to qualify them than firms that waited longer.
  2. Find the objections you lose on. Listen to a week of calls and write down every objection. Usually a handful come up again and again.
  3. Write one best answer for each. Use what your best rep actually says. Keep each answer to a sentence or two and end with a question.
  4. Practice out loud, a little every day. Ten minutes before the first call block. Say the answer, don't re-read it.
  5. Review real calls every week. Pick two calls per rep: one win, one loss. Find the moment it turned.
  6. Coach on a schedule. Put it on the calendar. Teams with a formal coaching process report higher win rates than teams that coach when they have time.
  7. Track the numbers that matter. Dials, conversations, meetings booked, show rate and close rate, per rep, per week.

What's the most effective way to train in sales?

Short, frequent practice spread over time, done out loud, with feedback right after. Research on spaced practice and retrieval practice supports all three, and a field study of bank sales employees found spaced training improved how they used their skills and their sales figures.

  • Spread it out. A review of 317 experiments found practice spread over time is remembered better than the same practice crammed into one session (Cepeda et al., 2006).
  • Say it, don't read it. Practicing recall beats re-reading for long-term memory (Roediger & Karpicke, 2006). For reps, that means answering the objection out loud.
  • Get feedback right away. Score each attempt and fix one thing at a time.

More detail in our research brief: Does daily sales practice work?

How do you measure sales performance?

Track these per rep, per week. When one drops, you know where to coach.

MetricWhat it tells you
Dials or emailsEffort
ConversationsList quality and timing
Meetings bookedOpener and objection handling
Show rateHow well the meeting was set
Close rateDiscovery, demo and closing
Average deal sizeWho you sell to and what you offer

How do I use AI to become a better salesperson?

Use AI in three places. Before calls, practice out loud with an AI prospect that throws the objections you struggle with, and read the feedback after each call. During calls, use a real-time coach that puts the right answer on screen when you freeze. After calls, check your score and pick one thing to fix tomorrow. Della AI does all three, and your first practice call is free.

How do I improve my team's closing rate?

Find the moment deals are lost, then train that moment. Score every call to see where reps fold (usually the same few objections, or no clear ask for the next step), write one best answer for each, have reps practice those answers out loud a few minutes a day, and put the answer on screen during live calls. Track close rate per rep, per week, to see what changed.

Where Della fits

Della is an AI sales coach built around these steps. Della Practice is an AI prospect your reps call by voice to practice your real objections, with a grade after every call. Della Live puts the best answer on screen during real calls. Della is AI, and it backs your reps up; it doesn't replace them.

Try a free practice call →

Sources

  1. Oldroyd, J. B., McElheran, K., & Elkington, D. (2011). The short life of online sales leads. Harvard Business Review. HBR
  2. Cepeda, N. J., et al. (2006). Distributed practice in verbal recall tasks. Psychological Bulletin, 132(3). PubMed
  3. Roediger, H. L., & Karpicke, J. D. (2006). Test-enhanced learning. Psychological Science, 17(3). PDF
  4. Kauffeld, S., & Lehmann-Willenbrock, N. (2010). Sales training: Effects of spaced practice on training transfer. ResearchGate
  5. CSO Insights sales coaching research, as reported by Qstream. Summary
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