That will typically generate a response from the PM to negotiate a settlement and avoid an investigation.

They’re requesting what feels like an unreasonable amount of information, and the demands keep escalating.So far, they’ve asked for:A video tour of my home officeCredit checks on me and my partnerCopies of the deeds for every property we ownA copy of my partner’s home lease and utility billsBusiness phone billsA signed letter from the bank verifying our accountsBank statementsHonestly, it feels more like qualifying for a loan than trying to become a customer.

A typical PPM will cost about $10K. 

FHA loans typically require the property to be a primary residence for at least one year, so he should confirm compliance with his lender.Once rented, he can deduct expenses like mortgage interest, property taxes, maintenance, and depreciation starting from the date it's available for rent.

What you will find is they typically appraise for far less than the hands off cost to add the ADU.  

Typically, structures are grandfathered under old codes and zoning in which case it would be called compliant, but non-conforming. 

If this is the case then typically you only have to comply when you make alterations.2.

From what I have seen, the typical remedy is termination of the contract, refund of the EM deposit and all expenses incurred by the buyer during the failed transaction.

Since rental losses are typically passive, the best way to offset W-2 income is through Real Estate Professional Status (REPS) (750+ hours) or Short-Term Rentals (STRs) (100+ hours and more time than anyone else managing the property), which allow real estate losses, including depreciation, to offset active income.A cost segregation study accelerates depreciation, generating large upfront deductions.

@Polat CaglayanI've never seen a formula but here is a general rule of thumb for multifamily:The class of an apartment refers to the quality of the building, which can be determined by a number of factors, including age, location, and condition: Class A: These are the highest quality apartments, typically built within the last 15 years.