PTE 50 Trim and an engine with 105k on it

[BKs50trimGST]

So know i have 2 50 trims, does anyone have ne idea how long they last for, especially if your running only 17-18 psi on it? cuz i have 2 now, one completely blown and needs rebuilding> and i was wondering should i rebuild it and hold onto it or should i just sell it to get back some of the money i was scammed out of? also, how much u think a rebuilt 50 trim would sell for> the one that needs rebuilding is hoaged out and is made for an internal wastegate - o2 housing but not with dumptube. .60ar compression and stage 3 wheel> ne ideas how much its worth?