I say at least 25% I am not happy with.One funny story is that my main lender, a local bank, sends out an appraiser that wildly over-appraises the properties. 

That single number can wildly throw off the estimates.So what do I do without a Blackstone-quality financial model?

A lot of the expenses especially for a rental are determined by the numbers you enter, like the tax rate and the insurance premium which will vary wildly by region. 

The real estate investment vehicle itself is wildly different than the stock market -- you don't put your money in, close your eyes for 15 years, and hopefully make 50% on your deal and sell your stocks.

Maybe 15-25k.Raising the ceiling is a wild card that I imagine would be very expensive.

As far as safety , bodies are piling up in NY right now and there's anger towards China creating new virus strains with wild animal markets for food and medicine (and I realize the far east encompasses a lot more than China, but angry broke people don't care)... so I would monitor the situation.

@Collin H. people travelling distance for temporary stays, that are not essential, means they are likely being less socially distant then if they stayed put, and is the behavior most are recommending is stopped.I'm not sure where your vacation rentals are, but many VR areas are not accepting non-locals as the areas have fewer hospitals and related capacity, so a surge in people escaping cities would overwhelm local resources and hospitals.You have a bizarrely cavalier attitude in this wildly unique time. 

One wild card...the interest rate but it would take a lot of extra interest to make up for ~$30k lost tax benefit.

@John Collins - procedure and price varies wildly, but ​I can tell you there is more to foundation repairs than just the foundation.

Wild guess.