"Free users require the most support" is something I have experienced. A co-founder gave a free copy of our more-than-one-thousand-dollar software to a colleag

"Free users require the most support" is something I have experienced. A co-founder gave a free copy of our more-than-one-thousand-dollar software to a colleague, who gave it to one of her students, who pestered us about why it wouldn't work on his VM.