Never pay upfront for services not yet rendered.
PSI is a meaningless metric without the flow rate. In my view, there's no adequate pressure washer that runs on 120v AC because the low power makes washing things take more time. Zero of them deliver anywhere near the advertised specs.
I bought a Westinghouse WPX3200 Gas Powered Pressure Washer 3200 PSI and 2.5 GPM for $232 last year. I'd have let you borrow it.
All that said, shouldn't the owner be maintaining their property?
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