Market value of my time to get the graffiti cleaned, was gonna be much higher than my opportunity cost.
Market Value. If I say 2500 tweets, at five minutes per. that is 12500 minutes. 12500/60= 208 hours.
First to do it tweets, ( count 1/3 of them) $400/hour to $600/hr=
Engineering system for efficient follow-up - (count 1/3 ) @ 50/hr to 80/hr =
Anybody, or I could have hired at, +overhead @ 25/hr to $40/hr =
Total, about $50,000.