904 reseal/rebuild cost?

well i guess i am curious what a reseal, turning into a full rebuild would cost...

kinda already into it for a chunk...i don't have a garage, or really anywhere to break into it all, so i got to nut it up...
here's the info.... 225/904 leaking a good amount of ATF...got back from Costa Rica and there was a good "bleed out" of more than normal while i was gone...looked BAD.....so i took it to the only mechanic guy who's seen that car with me...and he said a reseal was needed....$450 for that....reasonable??

which turned into a rebuilding, although i dunno if that was necessary, it WAS off and supposedly didn't need a new torque converter....

so now i am in, they got it, and are fixing it...kinda a hard place to be, they tell me it needs such and such....and it's already opened at their tranny guy....](*,)

oh well, maybe just venting.....but what's "reasonable" for what i am getting done??? which is a rebuilt 904..keeping in mind i COULD NOT have done this on my own....
AND it's gonna be done quicker than most places...dunno if that matters...

blind :glasses1:, plods along hoping his car works GREAT when he gets it back....