Give us some info.

Here's what I read from your post.
My car worked fine on startup, but turning into a store it sucked, then turned it off and on and I dunno.

I'm pretty sure you didn't turn your car into a store. Tell us .. at cold startup the trans works fine, it slips at these times, you've found some consistencies. That is the type of things that will help us internet diagnose your car.