RADICALFIRE.COM
If you want to reach FIRE, the most popular way is through saving and investing. This is also the most accessible way to FIRE.
If you choose this path you should be decently motivated though, since it can be a challenge. It can also create your personal FIRE foundation in years
Finding a good property that will provide you with sufficient cash flow is not impossible, but you have to invest some time beforehand to find the best one.