Wow, wow... Wow!!!
I must admit I HAVE fixed a couple computers for about $60 that had seriousness, time-consuming problems...
However, I ONLY did it because a co-worker begged (repeatedly). I decided I would essentially fix her damned home computer because my choices were 1) Try to ignore her but go insane 2) Fix her computer 3) Quit my job to get away from her, or 4) Kill her...
I chose #2 but charged her $60 because it was JUST enough to try to quash any future tech work from her...
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1. I got there and the computer was so slow I literally could NOT back it up while the OS was running.
2. On Reboot it kept running CHKDSK (as if the hard drive was bad)
3. On Reboot it would also like to hang during POST
^^^^^^^^^^ I knew this one was going to be fun *sarcasm* in that it was going to take significant time/effort to repair being there were 60+ malware things installed AND the motherboard was bad (read below).
4. I pulled the HDD to copy stuff out onto a USB drive AND noticed bulging capacitors, lol
[Went home to test HDD because I didn't want to be there all night AND to check warranty for motherboard/HDD]
5. Hard Drive passed but computer was out of Warranty
6. Ordered new Motherboard
[Another Visit]
7. Installed Motherboard and HDD
8. Format/Install of Windows, updates, software, and her files...
Done! She finally left me alone.
Now, imagine offering to fix anything for $60 on Craigslist!!! It is and advertisement that will get you problems like the one I dealt with above only no money.
I, of course, actually fixed the problem. The $10 or $20 tech probably isn't going to fix it. They are probably going to try over and over to install some pirated version of Windows on a computer with bad hardware.