If you wanna recoup money then split. You will struggle to get money back on what you put in on builds.
I sold a orange dh version dh-frs? Version with maguras that was mint with xt groupset and struggled to get 190 quid.
Problem is with full suss is you can get a trance, trek fuel or similar for peanuts now in 26" wheel size that is ten years more modern and that makes retro full suss low value.