DIY/Self built Steam Cleaner?

Its self explanatory, can these be DIY self built or is it just cheaper and easier and more practical to just pony up and buy a used one?

I looked around and new ones are $3k easy. I used to have one to use at my disposal but that time has passed. I miss it and how amazing it cleans.

Thoughts from the brain trust?

You can use a tiger torch and a copper coil in a steel drum with a regular pressure washer but the fine print always says not to run hot water through them. Pretty warm water though is ok, and then add the siphon for detergent.

Craigslist. I bought an old rental unit for around 400 bucks

But a nice hot water heater and a shop vac would get you most of the way there.

Or something like a quality pump sprayer with metal tank and a hot plate.

I use laundry detergent in my steam cleaner.

Which is a thermax cp3

CPO outlets FTW

http://www.cpopressurewashers.com/karcher/karcher,default,sc.html?ref=cpooutletscatKARlogo

Combo:

http://newhaven.craigslist.org/tls/3393374003.html

Karl La Follette wrote:

Thank you, Karl! Usually, when I see the trip wires for the booby traps, I turn back.

I hope this doesn't end w/ 'hey, watch this'... boom

Yeah, I'm thinking that pressurized steam may not be something you want to be DIY'ing.