I do know of bass fishermen that has hauled tons of rocks to main lake points, but I haven't personally tried it. I'm a scrounger when it comes to sinking habitat, if I see something I think I can use to build a pile I grab it. I use a lot of 5 gallon buckets, one thing I do is drill 1/2" holes in them and use 1/2" poly pipe, you can get a 100' roll at lowes for about 20 bucks, fill with some cement or rocks, its clean and fairly simple and easy to fish. I once caught an after Christmas sale at Lowes and bought about 15 big plastic Christmas tree holders for a buck a piece, people looked at me like I was nuts, I poured cement in the cavity filled with stakes and 2x4 and sunk, from spring until winter I can fill a live well off of these things, one mans trash is my fish catching treasure, like they say somethin' is better than nothin' ......Good Luck !!!