Plan your purchases and take advantage of all discounts, taxes, shipping charges and specials. I use a spreadsheet to create a buy list and it has worked well for over 20 years for me (I was a production planner in an earlier life). You will find that about 80 to 90 percent of the available parts are offered by all catalog suppliers. It's that last 10-20 percent that are single sourced. Customer service is another factor, there are sellers that have very poor customer service. If you do some reading about parts you will find the good sources stated as such, the bad suppliers are usually not discussed. Avoid a supplier that you cannot find a good (or any) review. The bottom line is, if the price seems too good to be true, it may very well be.
There are other sources of parts to consider.
AMK is a major supplier of hardware (they don't make any) and they supply almost all the sellers, but they also sell direct.
Coker tires sell reproduction tires thru catalog sellers and direct too.
Jim
