A lot of this is information I've been sitting on for quite a while, so I've decided to make it public. Each individual section will have spoilers and I will sum up the main points at the end.
All of the figures used can be trusted to be rather accurate - I've been a dirty powergrower for many years now and I like keeping track of my figures.
Planting drugs - Calculating hourly rates & what prices to buy seeds at
To preface this segment - I sadly don't have information for basic planters but if you're still using them at the point of needing this guide then...