It would be a bit like investing in your customer's business. You want to, but is that the business you're in? Besides, the two all important questions: How do

It would be a bit like investing in your customer's business. You want to, but is that the business you're in? Besides, the two all important questions: How do you decide who is deserving of the free account, and how do you know when they should start paying. You need to cover these both rationally and legally.