Michael Bohatch has been involved with SEO and Inbound Marketing since its inception. Michael provides professional services that combine his experience in Web Analytics, SEM, SEO and Inbound Marketing for a comprehensive strategic approach to web optimization. SimpleInbound.com is an advice blog where he documents some of his findings and advises others on industry updates.
01- Domain names are your #1 relevant find factor
(Example: www.FloridaAutomotive.com has much more weight in search engines for finding autmotive parts in Florida that www.Joesautomotiveparts.com)
This method is so simple, I dont know why folks bother with any other way.
You want to sign up for a Feedburner account and have folks sign up for that one rather than your default WordPress RSS
(This makes it easier for them and better to keep track of)