Am I going to lose my account/access by downloading your trainers to these 2-3 computers and only using them there?
Yes, they're good about that. You can use them on multiple computers as long as it's for personal use and you understand that you are always responsible for them.
* Updated game trainers and cheats daily
* Get notified when new cheats are added
* Request which games get new trainers
* Priority support with any problem