I checked the 50 or more box. Our crews are fully booked for 50-55 hours already each week. The last thing I need to do is pull our crew off of their regular route for a one-time mowing job for $25.00.
Now if we are already next door or something, sometimes I'll make an exception and do a quick $30 mow and edge or something - IF we have the time. But otherwise, I won't send a mowing crew to someone's house for less than about $100 usually.