Well I do this on the side and use paypal for payment. They accept credit cards now and the fee they charge is actually lower than getting a machine and such for someone not getting payments via credit everyday.
First hour for remote sessions is 10. Normally I can resolve the problems in 10-15 minutes.
Is that along the lines of what you are trying to do?
I can do a remote pc cleanup including updates for software, clean and remove viruses,spyware,adware. Optimise speed. Set automatic defrags, virus scans, updates and so on.
40 for that.
Everyone seems to feel it is less than lugging your pc into the geek squad or a tech. Easier. Heck they do not even have to be home. I use tight vnc so I have a login for those who authorize it.