ok so my truck the 1989 f-250 you guys might have seen on here. i cut the bed down to 8*7 feet. i threw out all the rack sides because they were rotted out. i was thinking should i make some nice sides pressure treated 2*4s would this be a good idea? also make barn doors in the back? or should i just stick with the flatbed? i do want sides for clippings, mulch, debris, ect. and i love building things so is this a good idea just for the season?