I ran across a guy selling 7 home depot buckets for $10 on craigslist. I didn't end up needing them and he never responded, but there are deals out there if you need cheap buckets.
I don't see why you can't top either with either. They're both Carnauba-based. At the very worst, you will maybe remove some of the spray wax while applying the Collinite since it involves...
I sandwich Collinite 476 between Opti-Seal and Optimum spray wax and it looks great. The 476 just sits there and does all the heavy lifting and the OCW works as my post-wash touch up wax because...
Actually if you're going to resort to abrading it, you can get some pretty soft art type erasers that will reduce your chances of damaging the headliner.
When you say "hand washing up liquids", it sounds like you're talking about hand soaps. I'm not sure these are the same formulation as Dawn dish washing liquid as they are probably...
It looks good--I really like the font and stylization, but consider letting the logo stand on its own without any additional embellishment (the graphic inside).
with wax, you're moving across the surface pretty fast so size isn't as much of an issue. but if you can't fit a 5.5" pad into your can of wax, then use something smaller.
The website IS advertising. Include it in your advertising budget. Business cards are too--you'll want your customers to have those so they can pass them on (referrals). Promotional material you...