Repairs and ammo reloads are free for FF to CL. Once you get to CA, then you start paying.
The money/point counter is in the bottom right corner of your screen, two numbers that say CREDIT and POINT.
XP and account level are fairly ambiguous, most players use account level to refer to the level of the highest level BO that you own, since that's what determines which ships you can command; in general if you have more than one BO then they refer to them separately, but for most players that only have one BO, that's the one to look at.
You can see how much XP your BO has by holding your mouse over it. There's also a table for how much XP is needed in order to level up at each level at
www.trainworld.us.