Like i said they cut everything for you at home depot so no need for a saw. Also your snakes could care less if theyre in a pvc or melamine rack. They wouldnt be able to tell the difference.
With that said, i would much prefer a pvc rack bc i think black looks nicer than white melamine and it would be ALOT lighter lol. When i was deciding btwn racks i decided to do a DIY one just bc i didnt have $700-$800 to drop on one.