Yes all losses and returns the IRA incurs stay in the IRA until you take a distribution. 

Non-passive to achieve this level of return.Add the addition of the ADU makes the main unit rent controlled if over 15 years old.the work to add an ADU likely exceeds the effort of a brrrr that can achieve infinite return  Experienced investors are adding multiple ADUs by leveraging items like bonus density, committing units to affordable housing, etc.  

Chances are very high that you are not claiming tax losses that you should be.There are many ways to create relationship problems and one highly successful one is mixing business with pleasure. 

Regarding borrow's DTI, Chase thinks that this item is not that important.I wonder will my high DTI impact the loan underwriting?

After 20+ years in real estate partnerships, here's what actually puts you on the IRS radar (and what doesn't):REAL Red Flags That Matter:The Partner Complaint TriggerDisgruntled partner files Form 8082K-1 disputesPartnership disputes leading to tax filingsReal Impact: Instant IRS attentionSuspicious Loss ClaimsLosses exceeding investmentArtificial basis inflationSudden large losses without economic realityExample: $100K investment claiming $500K lossesRelated Party GamesCircular property flipsBelow-market transfersFamily partnership schemes without substanceWatch Out: IRC §267 and §707(b) violationsDebt Engineering Red FlagsBasis inflation schemesArtificial guarantee arrangementsPartner debt shifts near year-endCritical: IRC §752 compliance matters!

The properties themselves often have flaws and outstanding cap ex items that are wrongly ignored.  

Since you're a high-income W2 earner, you may be limited to passive losses write offs only.

Understanding the market enables you to spot good bargains and steer clear of potential loss-making regions.

Most are being encouraged to buy Class B-minus rentals and below, but no one corrects them about their mistake of using Class A assumptions on these rentals:When a newbie gets smacked with reality via their losses, they then can only suck it up until time improves their mistake or dump at a loss.So, my question is, why can't we all do better and grow our industry with integrity?

The majority of the messages are requests for early/late checkout, recommendations, and misc items.