Update: I wasn't sure how many calls I would get off this campaign. So I had it mailed in two batches. The first batch mailed about 10 days ago and the calls have started. Here are my results to date.
375 letters generated 6 calls (or a 1.6% response rate). I was hoping for better and I still may get some calls off of the first drop. 1.6% seems a little low for yellow letters doesn't it?
Of those 6 calls, 3 were "take me off the list." Two have potential. I've looked at one and going to see the other tomorrow. The 3rd will go to long term follow up.
I've read about how some BP'ers are shocked when direct mail recipients are rude, nasty, or otherwise irrational about receiving a letter in the mail. One of my "take me off the list" people was a woman with 15 properties. She alternately demanded I buy all 15 properties as a package and "pay top dollar" vs. telling me receiving my mail was "annoying."
I considered having some fun and asking her how much she paid? Did she pay top dollar for her properties? If she didn't, why should I? Alas, my better angels won out. I was absolutely polite and agreeable and took her off the list without being snarky.