Double check the Home Depot light bank for its warranty .. Many people fail to realise a good light at the Hydro store should come with a 5 year warranty and if it does not then its a cheap t-5 unit thats worthless 9 out of ten times not ..
Not all light is the same and as well with lighting fixtures , another aspect is aesthetics .. A professional grow room looks a bit funny with Industrial fixtures and many of the light banks sold at Home Depot are made to be recessed and built in a ceiling .. So what you really get is half of a light , and most have to be wired as well and these offer no settings or power switches ........
Shit if its an issue financially you could just buy lights of america T-8 48 " shop lights for under 14 a piece ... They would be mounted at an angle