Payment first of course. And they always take a backseat to my customers.
I usually don't have an issue with 1 timers. I've managed a couple accounts from these type of customers.
S & S Lawn Service
Hustler Fasttrak Super Duty 48" 23HP Kawasaki
Hustler Fastrak 36" 15 HP
Echo SRM 266
Redmax BCZ2650s Trimmer
Redmax HEF Edger
Echo PB 500T Blower