I have a very good condition, nicely-built, Boost HD3. Small, blue.
the frame has some scratches (pictured) on the rear triangle but completely sound mechanically...the bike runs like a top.

Fox 36 RC2 factory fork
Fox DPS EVOL Factory shock
Shimano XT group with 180/160 rotors and 46t cassette
Race Face crankset
Cane Creek 40 headset
Ibis carbon bars and Ibis saddle
Thomson stem
LEV Integra dropper
Ibis 738 ultra-wide wheelset

Price is firm and $500 of your purchase price will be tax-deductible so the effective price will be even lower.