It isn't rocket science to send out postcards to old homes. 

I think to stand out your postcards or mailers need to bring them some value instead of just a catchy way of asking if they have grown out of their home.

Pick an area to farm and send out postcards via the USPS's Every Door Direct Mail (EDDM). 

Regardless of someone's experience with a "photo of your house" type mailer, your mileage may vary.Someone's "photo of your house" mailer may crush it, someone else may do great with long form professional letters, and someone else may do well with fluorescent yellow postcards.

I've already seen the yellow letter/ post-card pieces being sent to my rental properties in NE DC so its a highly targeted area even for investors like you looking for high equity properties.You'll have to develop a system for long distance and determine if you want to do the long distance rehab if you have trusted guys and follow the advice from J scott's articles on how he is able to do it successfully. dont expect to make it here quickly in rush hour..Finally, keep in mind that PG county might not currently be most profitable for 2015, but rather 2013/2014 like the article highlights from past numbers. these numbers might be much lower now that prices have risen.

On the other side, wholesalers spend a lot of money advertising to distressed homeowners (cold calling, texting, postcards ppc...) but only a small percentage of the leads coming in are going to fit the wholesale model (less than 10%), instead of throwing the residual 90% away the wholesaler can work out a referral agreement with an agent to recoup some of these lost marketing dollars. 

However, I have personally sent postcards (You don't have to give up just yet in selling your house) to those addresses and you'd be pleasantly surprised at the result.  

Here's what we've been up to:We were sending out 1000-1500 post cards per month to owners who were delinquent on their property taxes and coming up on foreclosure (they were in forfeiture in Michigan).

Here are the average response rates we have seen based on our customer feedback as well as our own mailings throughout the years: Yellow Letters- average response rate of 8%-9%, all kinds of calls (angry calls, curious calls, tire-kickers, quality calls)Postcards- average response rate of .5%, mostly quality calls.Zip Letters- average response rate of 2%, mostly quality calls.

Purchase price: $48,000 Cash invested: $105,000 A BRRRR opportunity which I found doing wholesale activities (cold calling and post cards)