my problem is that i buy a rat, she wont eat it. then it grows too big for her to even want to look at it. then i have to kill it. then im out 7 dollars.
You have one ball python - feed what works best for you and your snake will take, not what other people tell you that you should feed.
When I had mousers, I was feeding them 2-3 adult mice every 7 days. Their growth rate was just fine.