Brandon Turner recommended this technique in his books and podcasts, but that was back when he was managing his own properties.

It's relatively easy to look at comparable properties on airbnb with the same bed/bath, general condition, and location and click around their calendar to get a sense of what they're making in bookings each month.

Sheek's book.

However, you can't apply any of these restrictions for assistance animals like a guide dog or an emotional support animal. 

People don't book to stay inside the home; they come for the experience around it.  

If the calendar is booked, there's demand.

https://www.amazon.com/California-Landlords-Law-Book-Respons...$26 for the kindle edition could be some of the best money spent on your RE business.  

If piti is $1100 and rents range from $1000 to $1200, conservative underwriting would use the lower of the rent range, we have $1100 rent - $1000 PITI - $120 PM  - $50 (vacancy) - $300 maintenance/cap ex - $50 misc (tax man, asset protection, book keeping, utilities that are not tenant responsibility such as for a slab leak, etc) is about negative $420/month. 

Of course, with all things, the answers to all these matters will depend on the circumstances.California tends to have more laws on the books and requirements and restrictions that it can be a good idea to form a CA LLC for out of state property so that you as a CA resident are covered, and to try to have your contracts fall under the purview of CA courts.

They do hundreds of transactions a month and can guide you better than most attorneys when it comes to title issues.They use a complicated form that creates extra work and confusion with no benefit to the buyer or the seller.