Billion dollar companies started with someone's.....idea.

That being said, renting store space costs a LOT. Are you clearing that kind of money? (rhetorical question)

Then there is advertising.
They CAN'T show, if they don't know. Good advertising can cost MORE than the rent.

You would have to carry items other than what Home Depot or Lowe's carries. Because they buy stock by the thousands, they can "retail" it out for less than YOU can buy it wholesale.

Supplying custom builders might be something you could to look into. I imagine that is a cut throat business.

Wouldn't even consider NOT selling on the internet.

Lighting isn't something people go shopping for every week, and in today's economy.........