dgorilla-There is also a rechargable Euro Shark Vac that is nearly as powerful as a small wet/dry vac. The downside is it only lasts for around 20 minutes or so, which means really nasty cars will require a plug in vac. I've use a couple of 12V vacs, including a Dirt Devil (no longer made in 12V version) and a Campbell-Hausen that is similar to the Dirt Devil (rotating brushes like a home upright vac). I still have the C-H vac. Normally though, all homes and most businesses have a plug you can use, and besides, it sure beats firing up a noisy generator for power, especially at someone's house on a Monday morning!
I've been using Protect All's Quick and Easy Wash for nearly 10 years now (started using it in the summer of 93 if I remember correctly). Here is a direct link:
http://www.protectall.com/qelg.htm
It's a non rinsing car wash soap. You just wash and dry. Takes only a gallon of water to wash most cars, trucks and SUVs. Several people have tried it on this board and I have yet to hear a negative comment. I carry 6 gallon jugs of water with me, so I always have enough water with me for the day. I pay about $36 a gallon (enough to wash around 150-200 cars) at my local RV store.
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I got the bulk of my business from putting flyers on doors in high end neighborhoods. I also got my name in the Yellow Pages ASAP. I used to have a small 3 line listing, but once I got established, I dropped it and just have the normal business name and number listing. I still get the same 6% of my business though the Yellow Pages and the other 94% is repeat and referral. Remember the cheapest form of advertising in this business is doing high quality work and people will pass your name around.
Just bear in mind when chosing detailing as a profession...not everyone takes as good care of their car's as you and your friends. Sometimes you will come across some really nasty cars, SUVs and minivans. Those days, you just have to grin and bear it.
Good luck.
BTW, check out my website at
www.scottwax.com