I agree.
Charge or install a battery, check the fluids, fire it up. see what happens.
If it ran when it was laid to rest, it'll probably fire.
If you can suck the old gas out and replace with fresh gas I'd do that, and then maybe undo the fuel line and get fresh fuel to the carb, but otherwise, if the fluid levels are good, I would think you'd be OK in trying to start it.
Then you'd find out about the brakes, and leaks, and have a better idea of what you need to deal with.
A shop with a blank check is a dangerous thing.
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