Greg Pernell wrote:

Dave wrote:

I had the same problem as you had. A neighbor next to my neighbor on the
right side of my house had a dog that always crapped in my front yard. What
I did one night was --- I took 3 piles of the crap and dumped it right in
the middle of his driveway.
CASE SOLVED!

I believe that might be the best way ... and it directly
targets the situation.

W/ some neighbors that might just lead to a much less desirable reaction
up to something like a slug through the door or... Deliberately raising
the ante is not an optimum way to initially deal w/ a problem imo...