I think their logic was that a family with 12 people (parents and 10 boy children) would have difficulty finding a suitable house with say 6 bedrooms.In addition to the Federal guideline, some local ordinances address occupants both tenants and owners. 

At one point Elon and Vivek talked about a 75% reduction in staffing of the federal government. 

A cost segregation study can accelerate depreciation, reducing taxable income, but its necessity depends on your financial situation.

You can lower your taxable liability for 2024 while boosting your retirement savings.You have to do this BEFORE you file your taxes.Contribute up to 25% or $66k into a SEP IRA.Have you looked into this yet?

Keep receipts for all your expenses for federal taxes, keep the deposits in a seperate bank account. 

By capping the taxable value increases for homestead properties, local governments may need to compensate for the lost revenue by increasing taxes on other types of properties, such as commercial buildings and rental properties.

Tax-wise, only the rented portion is deductible, and depreciation recapture applies on sale, increasing taxable gains.

The last 3 years I gave away more than half my taxable income and last year I gave away 4 to 5 times my taxable income which perturbs the scorecard.So for me, I plan to stop when it is no longer fun. 

Selling for $380k means an $80k taxable gain at long-term capital gains rates (0%, 15%, or 20%, depending on income).The $80k HELOC used for personal debts doesn’t affect your taxes.A 1031 exchange could defer taxes, but you’d need to reinvest in another investment property, not a home for your mom.

If taxes go down for higher tax basis, I will move more taxable money to tax free options allowing for greater wealth preservation.