Amazon: Icky Slippage Business Model I never signed up for Amazon Prime, Amazonβs βpay a bunch up front then get free fast shipping all the timeβ deal, mostly because I usually buy more than $25 worth of books at a time, so shipping is free anyway. But today, they hit me on the checkout with a free three-month trial of Prime, so I clicked yes β what the heck? My bad for thinking they were just being nice to me as a VERY GOOD CUSTOMER. The confirmation email they sent had buried in the fine print that my subscription would auto-renew after three months for the usual $80 if I didnβt proactively opt-out on their web site. Thatβs a businessβ¦