It might occasionally be an arbitrary thing, but it is usually a little of both research and trial and error.

We didn’t know about Bigger Pockets at the time and learned by trial and error with a few bumps along the way.

Check it out, they will give you a free trial.

"Owner financing" is a very broad term, and can include many variations. 

Hey Everybody,This is kind of a back-to-basics discussion here but I've seen a lot of variation in how much everyone is allocating for repairs/CapEx/both.

We have been married for over 10 years and have survived the trials of the infant and toddler stages with twin boys.  

It's going to be a trial and error process, some people will work out, some won't.

It's trial and error.

We wasted about 3 months finding and vetting our new contractor & getting a great architect for the major structural changes.Was this process a trial by fire?

I use my real estate agent's login because I'm cheap, it's not too expensive though even if you have to pay, or there's a free trial period that may work for you if you just need it for a one-off or limited number of uses.