I only built 1 UDS. At 20.00 per barrel, buy a couple extras if you have room.
My son has my UDS. He inherited it when my wife "forgot" to tell the movers to pack it when we left Texas.
Mini WSMs may be better for small cooks. Easier to load, unload and use a lot less charcoal.
Smokemaster Offset*'70 Hasty Bake*WSM 18.5*'00 Plum SSP*'69 Cado*'90 Red MT*'73 WSJ*Imperial Kamado