If you don't know these terms, look them up, it's the best way to learn.Know too that financial ratios do not always apply to real estate because real estate is not a liquid market like stocks, you also have unexpected and unknown carrying costs that don't apply to say stocks or bonds.

Then join a local REI group and begin using this formula to overcome your fear of the unknown....Definite Goal/Plans + Faith + Emotion + Action  = All Human AccomplishmentFaith = Knowing you can accomplish your goal / Self ConfidenceEmotion = Feeling you can accomplish your goal / objectiveIf you feel that you are deficient in any element, focus on working on that until you feel you're ready to take action.I wish you the best.

Otherwise, you're walking into a lot of unknown risks.

She was scared of the unknown.

Guess I'm a bit nervous though given the unknowns regarding regulations, saturation, finding the right people to manage/clean etc in the Air Bnb market.  

Therefore, make sure there is enough margin for unknown expenses.

Fear of the unknown and fear of going into debt.

In fact, my I can reduce my overhead/profit number because I'll be comfortable I won't incur surprise costs like having to eat a $2k change order for unknown circumstances or having to pay interest on your $10k material bill because you won't pay me for 45 days.

It's close to where we live (as I'm in Oakland, CA) vs thousands of miles to unknown areas with SNOW!!!  

It's not possible to analyze in fear of the unknown.