Trade Secrets are not secrets.

You have figured out by now that trade secrets are a list of practical suggestions that have been proven over time. It's all basic stuff, but many people miss the basics, thinking the secrets are more complicated.
Here's a note about dark colours. Oddly enough some dark colours cover other colours quite well. While some are like transparent glaze. This is because the paint that is in the can before the colour (tint) is put in by the machine IS transparent. So what do you do?.
Some companies recommend a coloured base coat, use it. The old paints used to require a dark grey under their colours, this also will help, but what ever you do, try a little as a sample before committing to the whole wall. It will save you a lot of grief.
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