Oil

Oil is arguably one of the best ways to legally make money on RLRPG Island Life. There's very little risk involved and it's fairly simple to do. Some drawbacks to oil would be the time it takes and driving across the map.

How to Drill for Oil

 * Collect the oil from either of the two oil drilling areas.
 * Process the oil (license is $30k) at 'Oil Processor'.
 * Sell at the oil at 'Oil Barrel Trader'

Costs and Profits
To drill for oil, the minimum cost is around $50k. This is because the license costs $30k and a used pickup truck (recommended) from the used vehicle dealer near civ spawn costs around $20k.