But it might be a good idea to raise rates each year or so by $50 to $100 because it can communicate that you aren't completely checked out, and you value your property, your time, your investment.

VS with 2, vacancy in any 1 is 50% hit to revenues. 

At this stage in the game I'd say as a general rule skip the mentorships and gurus. 

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?

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

The ground floor was redesigned for retail units, while the upper floors were converted into modern, open-concept office spaces.Modern Amenities: Introduced features like energy-efficient lighting, upgraded HVAC systems, and high-speed internet infrastructure.Aesthetic Upgrade: Refreshed the façade with contemporary materials while preserving historical elements to maintain its character.OutcomesIncreased Occupancy: The property went from 40% to 95% occupancy within six months of renovation.Higher Rental Rates: Upgraded spaces commanded rental rates 30% higher than before.Enhanced Property Value: The property's appraised value increased by 50% post-renovation.Investor's ROIBy investing in smart architectural design, the investor not only revitalized a neglected property but also significantly boosted their ROI through higher rental income and property appreciation.

Pinellas county has all kids of different rules depending on exactly where you are.

For items not available before the SoE and hitting the market after the SoE, you can raise prices a max of 50%.

Certainly one account for each LLC, (separate for security deposits based on your local rules)

Tons of rules here which make a condo association "warrantable" vs "non-warrantable" but just one on the list: one owner owning the majority of the units alone will typically make them non-warrantable.