Home-made flour based paint that will last 5+ years outside. Nontoxic and cheap. Heat an old pot, pour in 300g flour and 300ml water when begins to heat, pour in 3 liters of water and stir (like a white sauce), and boil for 10 minutes then add 600g of pigment and linseed oil 300ml, bring to a boil for 30 minutes. Let cool down, it's ready, we made 3 liters of paint.
Should you do a DIY, homemade chainsaw mill or buy one?