People do this with special tools, even heavy equipment. Some have bought storage trailers or shipping containers. Of course people have bought large quantities of things like carpet or rough cut lumber so they could get truckload prices and then they broke it down into manageable quantities and sold it on the Internet or in the newspaper. Why not ask a supplier: what would be my truckload price? If you are using Owner-Builder Connections
, you may have a built-in buying group to share quantity purchases with.