Otherwise, you might as well just do mass-mail, broadcast marketing to all households or change media to TV or radio or (dread) online media.

Most people who have big budgets to spend on marketing can just send out these mass letters and can just cross their fingers.But I will say it will best to approach it from the educational stand point.

I agree with the general assessment... it depends on the situation.However, I would say, that if you spend time cultivating some good relationships with buyers.... ones you can trust and you go to again and again (rather than mass marketing your wholesale deal), then it is so much easier to just assign.You can always use a blind HUD so the seller doesn't see assignment fee as long as you have a good enough relationship with the buyer.When you get a good buyer, treat them well!

I am trying to pinch my pennies on anything that I am doing in mass quantities.  

Nope not mass printed by yellowletters.com but hand written and hand addressed invitation envelopes.  

I wrote a business plan which focuses on building a brand--the generic mass marketing--cold calling approach that most gurus recommend does not fit in with the brand I am building, which is for a Rent to own business in Northeast Ohio.

5) Don't have to think about it or spend a bunch of time on it (I have yet to meet anyone who not only can boast the same time/gold ratio as me but be able to apply such tactics to nearly any conceivable market in WoW like I do, and I've read a lot of gold blogs)This is only possible in a high yield/consistent way with enough mass buildup of wealth and building a thick matrix in my head of the market (it happens automatically without conscious thought these days since I've been doing this for years).

I'd love to hear thoughts and results from the BP masses with experience.

I get that too.I would get your MASS realtor license and get serious about learning the local customs where you are. 

Is there a way to mass mail at a cheaper rate?