The secret ingredient is in the text boxes and removing the image before printing.  

He prints out individual mailing address labels and sticks them on the cards.

When you present all these options to someone (2 of them are labeled "option 2"), you run the risk of them backing out because of "paralysis by analysis."

Never a PO box address.A return Label with seasonal art works great as it solves two issues.

They don't look exactly like first class stamps, but many people will not distinguish the difference:The one tell-tale sign sign that standard bulk rate was used is the inclusion of "Or Current Resident" after the name on the address label.

You can then push an email campaign out using one of the integration campaign managers like Constant Contact and Mailchimp OR pull that data into a Google Doc to print out mail labels, personalized letters (they do field merges) etc.

I get what most of you are saying about Wholesaling and a lot of it is valid, but refrain from labeling, prejudice or bias.  

River West has been labeled "up and comming" already in the 90s, still on the way.

Sounds like one of the ingredients of your recipe is a redesign/update.

I apologize for calling you a wholesaler, I wouldn't want to be labeled one unfairly either.