Today I got my AP results back, and was shocked to see a 2 for AP Euro. While I know I made mistakes, I thought I would get at least a 3. However, I don’t want to waste the money for my score to stay the same, or to drop. If anyone has any experince with re-scores it would be nice if you could offer your advice 
(this was my first year of APs, so I have no experince with this)
Forget the rescore. Instead you can take a CLEP exam to get the credits…if you feel that you’ll need them.
Only ask for a rescore if you are almost 100% positive that you really did score higher.