Would this work to find distressed sellers?

[Mark Beekman]

Lately I've been thinking of ways to capitalize on distressed sellers of SFHs for flipping purposes. What if you put out some newspaper ads saying that you'll buy any house for 80% of the appraised value, and once you flip the house you'll give the seller an additional % of your profit. That way the desperate seller has their cash and they can move or pay off their debt or whatever without feeling like they got F'd over because they know they have more money coming their way. Basically, they're buying the time it would take to sell their house. Anyone do this?