So great levels of intelligence it does not take. 

Either the toilet is leaking below the floor level or there is degraded caulk/grout surrounding the tub/shower/walls.

In the case of a single family home house hack, say a single level ranch with a daylight basement - it lives and functions kind of like an up-down duplex, but the zoning and property type is 1 unit SFR.

They need to fail and learn at a small dollar level.  

Its always best to review your file with an investor friendly mortgage broker like ourselves to see what are your best options in terms of financing your next deal and get a high level understanding on how to enter a property and also exit a property.

Of course in the JV deals I do where we  come into title I pay tax at the state level if there is tax. 

It’s a popular way for new investors to dip their toes into real estate because it allows you to generate rental income while reducing or even eliminating your monthly mortgage payment.While house hacking can be done with single-family homes (by renting out rooms), multifamily properties, such as duplexes, triplexes, and fourplexes, take the concept to the next level.

Focus on building strong business credit through timely payments, low debt levels, and solid financial records, which carry more weight than the name alone in establishing creditworthiness.This post does not create a CPA-Client relationship.

For sure, don't just believe what a few luddites on BP have to say.One of the few in here who understands the space from a macro level. 

You could use a floor leveling product but check the square feet to see if the product covers large spaces.