Desk Jockey
Member
My wife lies. We are seeking help for her affliction. 

Makes you wonder why they call it a 500 psi machine. You would like better off with the 220 psi diaphram pump that edic has available. You will get 160 psi on a 3-4 flow wand. Add the edic heat and run heater with it's own power cord and you have a decent, basic portable.I have the 12 gallon 500psi 2-3 stage edic. It's only able to push out 300psi with a 2flow wand and 2 water lines were defective. This sounds horrible but Matt at the Cleaners Depot had edic replace the lines for me and I don't need more than 300 psi. We do commercial jobs so popping circuits after hours can mean big money loss. So far using one cord for vacs and pump has yet to pop a breaker. Getting it up residential stairs would be a challenge. I like it because it works for what we need.
But do you really want to make payments on a dust collector.
Rent, borrow, hell, steal one. Yeah thats it steal one.
It really depends how often you need it. If frequently, buy the biggest and best. If infrequently, Craigslist and then sell it once you're done with it.
It makes very little sense to dump all the profits from the job and end up with a little used machine.