First I want to know what the product actually does, then I can worry about prices and contracts. They are usually the least part of the problem. The biggest i

First I want to know what the product actually does, then I can worry about prices and contracts. They are usually the least part of the problem. The biggest issue I've had in the past is that I ask for a feature and the salesman say "no problem" and when it's time to implement what I asked for is a custom feature that they can build for €100k.