Notes
Seasonal jobs, done properly and without ruining anything. Written by people who have made most of these mistakes already.
A crisp edge is the difference between a mown lawn and a kept one. It is also where most people take the grass down to soil.
A pressure washer will lift years of green film in an afternoon. Used carelessly it will also empty every joint and leave you re-pointing.
Frost-free is a far cheaper target than warm, and for overwintering it is usually all that is actually needed.