You can read about the differences here: Cost Segregation Study Approaches ExplainedLet’s first start with what the approaches:Detailed Engineering Approach from Actual Cost RecordsDetailed Engineering Cost Estimate ApproachSurvey or Letter ApproachResidual Estimation ApproachSampling or Modeling Approach"Rule of Thumb" ApproachSo which of these approaches is required by the IRS?

I ended up with some rules, couple here:1.Discrimination - Never Rent to Attorneys, Law students or Law Professors.Learn all you can about the Housing Laws i.e.

The rule of thumb is, if you can't handle the potential call from the lender, don't do the deal. 

Asking in the correct forum will get a better response.Read the RULES!

Additionally, the price point is still cheap enough to find the 1% rule and positive cash flow and it's super landlord friendly (so you will never have to go through a 12 month eviction or anything close to that!).

Offer a great first-stay experience with thoughtful touches like welcome gifts and clear communication to earn those initial positive reviews.For Big Bear’s rules, stay on top of local ordinances—maybe even connect with other hosts for advice.

Are there rules about renting it out?

Asking in the correct forum will get a better response.Read the RULES!

Depends on the town’s rules, though, so check that first.Renovation Loophole: Some places let you raise rents or get out of rent control if you do big renovations.

To achieve this, I’m planning to scale rapidly by performing a couple of syndications to acquire a larger portfolio.I currently have a portfolio of 17 properties, but to justify labor costs and create a sustainable structure, I need to expand quickly.