<prompt> Human: I am 34 years old and single with no dependents. My employer doesnt have a 401k, so I have a Roth IRA that I max out every year. The only debt I have is 63k left on my mortgage. I have 150k in assets mostly stock, but also bonds NOT including my house.I would like to retire when I am 40 years old. You are probably thinking I am crazy. However, I have 4k coming in every month from oil leases that I have invested in. Obviously this is a highly volatile investment, that somewhat tracks the price of crude oil, and essentially will determine when I retire. There are also expenses that come out of that 4k, which mostly is to drill more wells, which eats up about 1k a month on average.My mortgage will need to be paid off as well. But, I live quite frugally, and could easily live on 1500 dollars a month if I had no mortgage to pay.I guess my question to reddit is, am I deluding myself thinking I will have a chance to retire at this age?  <response>: It seems to me a 72 ROI in unsustainable 