@Koby Kramer that sounds correct per federal guidelines.  

You want to learn these laws so you don't make costly mistakes that result in lawsuits or fines from local, state or federal government.  

Another thing to think about is cashflow is taxable, whereas equity you pull out from refinancing is not.

.-$13,600 in a taxable brokerage account invested in VTSAX.

Also some localities may have more stringent requirements than the Federal Government, it is housing providers' responsibility to become familiar with the requirements. 

D, Rule 506 is a common way to get an exemption from registration for your security and the exemption is at the federal level. 

@Jesse AaronYou likely want to connect with a tax professional to make sure you report a correct return and you pay the least amount of taxes.The $18,000 is not fully taxable to you.Your gain is The sales price, less expenses(realtor commissions, etc) less basis(purchase price + improvements).There are potential ways to defer / exclude the gain.Was the mobile home an investment property or a personal residence?

There are really 3 ways to reduce your taxable income (deductions, depreciation and deferrals). 

I just saw a mention on CNN that Republicans plan to propose extending the federal eviction moratorium that was implemented as part of the CARES act.

@Rafael TrinidadPuerto Rica is part of the US, so to answer your question; yes of course you will get the same tax benefits.Also, to quote from investopedia-“In 2012, Puerto Rico passed legislation shielding new residents from paying most federal income taxes.