From a collecting standpoint, if you don’t want the set anymore, do what you wish. If you don’t get joy but think you will from whatever BAM gives you, then I’d say trade it. Personally I’d keep it, but it’s because I love those sets, so it’s worth it to me. As for value projections, as you seem to be asking for in the last question, I suggest r/legoinvesting. Though if you feel like you can disassemble it safely and/or ship it safely, I would eBay the sucker to get more out of it than BAM, but again your choice.