Choose your property wisely - Multi-unit properties like triplexes and fourplexes offer potential economies of scale and income diversification.

From there its really dependent on the language in the sales agreement.....Does the sales agreement contain a liquidated damages clause? 

The cost to knock down and build, depending on int. finishes, starts at $350K This project I would anticipate around $450k build on top of the aquasition, and FMV comparitavely is 2.3-2.5...no?

It depends on the intention and actual facts, in other words it's case-by-case. 

Plant City we are working with an owner with a 2 acre parcel to get approvals for a 10-20 unit depending on the density we can get approved with zoning or planned development.

I work with lenders who need to see that you've owned the property 3 months, some who need to see you've owned it 6 months, and some who need to see you've owned it 12 months, so it really depends on which lender you go with.

Depending on financing, it could cash flow anywhere from "meh" to "I can live with that". 

.- Use cost segregation studies to expedite depreciation of your properties to offset large income gains.Entity Structure- Choose appropriate legal structure (LLC, partnership, or S corporation) with consideration for different tax implications.Tax Credits- Explore available credits, like energy-efficient or historic rehabilitation credits.Qualified Business Income (QBI) Deduction- Check eligibility for QBI deduction, providing up to a 20% deduction on qualified business income.Record Keeping- Keep accurate and organized records for tax compliance and audits.State and Local Taxes- Consider varying state and local tax implications, including property and income tax rates.Tax Planning- Engage in proactive tax planning, consulting with professionals for a comprehensive strategy.Tax Changes- Stay informed about changes in federal, state, and local tax laws affecting real estate investments.Remember to consult a real estate tax professional for personalized advice based on your specific situation.

It also really depends on the actual product.

It will depend a bit on comps, similar to an appraisal.