If you charge $20/hour, you are ripping
yourself off. Seasonal service (plug, air filter, deck cleaning, blade sharpening) can net you about $45 and you can knock that out in 1/2 hour if you are efficient.
What about liability insurance? For example, if a mower blade comes off and hurts someone it is your fault if you were the last to touch the machine.
Pull the plug on every mower you fix and check the crank for wobble as some people are fond of hitting stumps, etc and bending their crank. If it does, leave the plug out, call the customer and WALK AWAY from that machine.
Chainsaws: make sure all safety features that the saw came with are in good working order before the customer gets it back. Sharpening chains can net you about $15/chain and you can knock that out in 5 - 10 minutes with a bench-mounted sharpener.
These are just small examples.
As for taxes, I doubt that you could go the 1099 route as you would technically NOT be a sub-contractor.
I am not trying to be intimidating, just showing you a few reasons that you need to CYA. There is definitely a market for that type of work and also a profit to be made. It is hard to find a mechanic that people can trust but, once they do, they will keep coming back to you.
Good luck.
