Yea.
$225 sounds like a ...err decent price for the part and like maybe an hour and half....a lot of that price believe it or not is from labor time, unless he's gonna buy a new motor from the stealership and install it

. If not, then it would be easier to just do it your own.
Just go to the junk yards and see if there is any camry of your year. Most times, as long as the generation is the same and has the same power options, it should fit. (e.g if your a X.5 gen, try stick with a x.5 gen, though any gen 2 should work unless they did some huge modification in the newer line - I don't know if a pwr motor will from an '87 to the '90, but I'm quite sure it would). Just make sure you compare the connectors. I'd also check the inside of the door for any rust too (along windows rails, lower part of door drain, near around door handles, etc)
You will need a basic tool kit...and I suggest a soft 'regular' (a.k.a flat tip tool' to prying off any bezel or what not. regular screw drivers are fine as long as you tape the end so it doesn't scrap surface.
I have not personally done a door regulator on a Gen2, but I believe you do have to take out the glass, so suggest you put that glass someplace safe