I would not worry about $50 in the price of a pinstripe.

For one thing, a breeder who is willing to try to switch the snake over to f/t sounds like one I would like to do business with.

But also, you want to get a pinstripe that you like the looks of. That would be most important to me.

If you like the looks of one and that breeder isn't willing to try to make the switch for you, then yes, I'd just go for it and hope you can get it switched over. That is assuming you feel ok about the breeder otherwise.