Lock in the discount before it expires. Every operator who has sat through a software renewal has heard some version of that line. Economist Paul Klemperer studied that move in 1995 and gave it a name: invest-then-harvest.

The logic runs like this. A vendor drops the price to lock you into a long contract. That is the invest phase. Once your cost to switch is too high to walk, the vendor raises the price. That is the harvest phase. The discount is real. The power it removes is also real. Klemperer did not describe a sales tactic. He described a pricing cycle with two distinct stages, and most buyers only see the first one.

Procurement firm Tropic ran a recent analysis of more than $15 billion in software spend. The finding: the average new contract has stretched to 15.1 months. That is a 4.6% jump. While buyers focus on the size of the cut, vendors pull a different lever: contract length.

Most CFOs score a deal on price alone. A 5 to 10% cut in exchange for 24 or 36 months looks like a win on paper. The research is clear on this. The price dropped. The lock grew. And the lock is the part that pays the vendor back.

The discount does not fail people. It fails the system they are trying to run.

The problem is not the discount. The problem is that the discount replaces the one thing worth more than a lower price: your ability to walk away at the next renewal.

Once that ability is gone, the vendor sets the terms. You respond to them. That is not a negotiation. That is a harvest.

The same Tropic analysis surfaced a case that makes the cycle concrete. A product owner at a US tech firm sat down with a renewal offer: $70,000 marked down to $42,000 per year. A 40% cut on a multi-year term. The kind of number that gets a fast signature.

An outside team broke the agreement apart and rebuilt it. The new structure came to $95,000 total for three years: $20,000 in year one, $30,000 in year two, $45,000 in year three. The average annual cost dropped below the "discounted" price. The exit path stayed open. The number that looked worse on page one was the better deal, because it kept the buyer's position intact at every renewal gate.

That is what the data show when someone pulls the contract apart instead of scoring it on the headline number.

Broadcom bought VMware and forced customers off old license models and onto new subscription bundles. The price shifts ran from 150% to over 1,200%. Customers who had no exit clause had no answer. A 20% fee hit anyone who missed their renewal date.

The invest phase had worked. The harvest phase arrived. And it arrived with math the buyers could not change.

That case sits at the far end of the range. But the mechanics are the same in every multi-year software deal. The vendor invests in your loyalty with a lower price. The contract removes your ability to leave. The next renewal is where the return gets collected.

Structure every contract to hold your position at renewal. Not to cut year-one cost. Once that is clear, three moves follow from it.

A one-year deal lets you right-size at the next renewal. A three-year deal locks you into seats no one uses until the term ends. The only exception is a multi-year term that includes a written clause letting you scale down mid-term. That clause is the price of a long commitment. If the vendor will not write it in, the length is not worth the cut.

This is the part that takes nerve. The CFO wants the lower line item. You have to name what the number hides, and that means putting the structural cost on the table next to the sticker price.

The exit clause is not about leaving. It is about the vendor knowing you can leave. A contract with no exit path tells the vendor they own your next renewal. A contract with a 90-day out, even one you never use, changes the math on their side of the table.

Ask for the discount on a one-year term. Most vendors will not give the same number. But the gap between the one-year price and the multi-year price tells you how much they value the lock. That gap is the cost of your lost position, stated in dollars.

Running this lens on your next renewal does something the old approach never did.

You see the true cost of a multi-year lock, measured in lost position, not fees. You see which vendors price the lock highest, which tells you where your switching cost is highest. You see the seats and tools you would have cut in year two if you had the right to cut them.

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At the end of the next quarter, ask three things.

→ Which contracts gave you room to cut, and which held you to a number that no longer fits?

→ Which discounts looked like wins but locked you into tools your team stopped using?

→ Which vendors priced the multi-year gap highest, and what does that tell you about their next move?

That is the difference between a deal that sounds right and a structure that proves itself.

The discount is still on your screen. The question is not whether it is real. The question is what leaves the table when you take it.