Grow your own Coffee, will take approx 4 years for first harvest. It is actually very easy to grow, indoors. This is surely worth a try for something different.
Coffea Arabica is easy to grow indoors, makes a very attractive houseplant and if it likes you well enough, it will even rewards you with flowers and berries!
This plant is a real gem for winter flowers, and whoever would keep a greenhouse or conservatory gay through all the dead season would do well to grow a few plants of this particular species, rare in cultivation.