It takes a while to know what vendors are good at what they sell, for as you say a cheap price - i dont go for expensive products, i am pretty cheap lol, i tend to wait for the sales, cause i like more bang for my buck ....
Low priced items can be of good quality just like it can be of the opposite. and high priced items tend to do the same ....
It just takes time and hate to say it, prove that your a vendor that provides quality in your products for a low price .... customer feedback is vital in this i think, and the same buyers that come back for more.

Just how cheaply are you planning on going? $5 is the min price here at Rendo.