Good Sites to Purchase Finish Materials Online

[Slava Menn]

Hello fellow rehabbers,

So we have been able to save a good amount of money on materials going through the bid room at Lowes and Home Depot, and on Lumber through our local lumber yard, but sometimes they do not have a ton of options for finish materials. 

I am curious if anyone has found any good websites to save on finish materials? I am interested in plumbing fixtures, appliances, lighting fixtures, cabinet hardware, etc. 

What does everyone use?