let us sell N units for 1 unit, without gift boxes (ex.: 5 meat for 1 meat pie )
let us buy 63 units, without 63 clicks (input field near "buy" button)
let us sell full cupboard with cupboard, same for barrels with drinks and flour (w/o glass keys and fences)
let us buy empty/full cupboards and barrels back, same for any furniture
let us make 5 lots from 1 container (partitions in cupboard)
let us put display sign directly on cupboard (not in front of it)