Well heres one month from last spring .
auto insurance 159.89
auto operating 585.32
auto repairs tires or even auto payment 583.17

bank charges for account 71.00
business development 164.67
liability insurance 82.40
licenses and bonding 39.00
book keeping 200.00
INTERNET 49.00
office maintenance 68.68
office insurance 20.59
postage 41.42
printing and reproduction 25.00
office supplies 162.14
employee benefits 95.94
office rent 350.00
shop supplies 282.00
telephone and yellow pages cel phone and 650.00 includes an ad in other book
electric and gas 140.00
workers comp 145.00

that is almost 3600.00
and theres a few things i have missed like lost tools. theft , damage,tool wear and tear ladder replacement etc