Get the voodoo guy from vanatu.
Have shrunken heads of all non payers...
As you show prospective customer your before an after pictures,your equipment an truck.
Put one on rear view.
That our collection Dept,there .
Wand here,hoses pressure an vacuum.
But ya a few shrunken heads what lol guarantee pay,tip, referrals...
Carrying water is essential for one man ops. Time is money and wasted time looking for a water hook up is wasted time. Especially in the winter. And let's not forget hooking up and the pipe was froze or busted inside flooding the whole house. Or commercial buildings with no water hookup or they were shut off.