Meguiars apc diluted 1:3 is one the best tire cleaner IMO.. you could use it straight without diluting it like some people do but a dilution of 1:3 works best for my daily driver.
Use waffle weave towels instead of chamois.. there is a much lesser risk of swirling your paint with waffle weaves..
I suggest you buy a small karcher pressure washer... ive used mine for about 6 months now and it works flawlessly. Very well built and economical too..
I've tried a couple of sealants but they usually last no more than 6-7 months in the hot, humid climate of Pakistan where i dont have a garage to park in my car in.
I tried out collenite 915 and it looked amazing and lasted almost as much as dp poli coat. I know its not a pure sealant, its a...
Firstly, opticoat 2.0 was supposed to be a permanent coating but it is now discontinued. Its replaced by optimum gloss coat which has a life of around two years i think.