I have a player with a character that has Profession Gardener. The character would like to utilize the PCs' adventuring business as a store front for a gardening business. I'm all for it, and love the idea of adding more depth to our adventurers' "down time."
The question I have is: How do I create a buy/sell/trade economy for seeds and plants? How much should seeds cost? How much downtime before her seeds become full grown plants? Should she be able to produce more seeds from the full grown plants?
All advice welcome. Good advice appreciated.