A right handed person should work from right to left and left handers should work from left to right. This will prevent you leaning into your wet paint as you work.
All lighting (including natural sunlight and artificial light) affects the colour of your paint as do shadows in a room.
A matt finish has the effect of making a small room with lots of light appear larger.
Sugarsoap is a neutral, all purpose cleaning agent that can be used to clean carpets, tiles, baths, toilets and cars and can even be used to unclog drains.
Stir paint with a flat-surfaced paddle to mix it properly.