Conventional lenders typically require a 6-month seasoning period from purchase before they’ll consider the appraised value for a cash-out refinance.

The question if such leverage is utilized can he weather any deflationary period?

Here are some key elements to include:Lease Agreements: Ensure your contracts reflect the latest laws, such as notice periods for entry or rules around security deposits.Fair Housing Compliance: Familiarize yourself with federal, state, and local fair housing laws to avoid discriminatory practices.Property Standards: Regularly inspect your properties to ensure they meet safety and habitability standards.Tax Documentation: Keep accurate records to comply with tax reporting requirements.4.

It may trigger if you are paying down the balance aggressively during the prepayment penalty period. 

I don't know if South Carolina has those or not... but the rest of this explanation should still be valid.  

I want to create a fund that will allow me to purchase distressed homes, fix them up, and sell with owner financing (possibly including a 5 year balloon so as to be able to recapitalize periodically and give investors a shorter horizon).

To qualify for installment sale you must selling an investment property, it was a rental for at least a short period. 

I also like Haverhill as a peripheral city to Boston - commuter rail stop, close to major highways, and nice downtown with some municipal improvements on the way.PROPERTY OVERVIEW:Unit Mix: (3) 2BR units, (1) 1BR unit, plus parkingRecent Upgrades: New roof, updated electrical panels, new hot water heaterLocation: Walkable to downtown in a well-established neighborhoodParking: Dual driveways provide off-street parking for tenantsRENOVATION SCOPE & COSTS:Limited photos available, but if the rest of the house is in similar condition, likely cosmetic rehab only (~$30K per unit).Potential upgrades include paint, flooring, kitchen cabinets/counters, and appliances.Ideal for a DIY landlord or owner-occupant looking to add value, but also works well for any investor seeking cashflow.MARKET RENTS & INCOME POTENTIAL:Market Rent Estimates (based on local comps):2BR Units: $2,200 - $2,500/month1BR Unit: ~$2,000/monthTotal Potential Rent: ~$8,600/monthCurrently Fully Tenanted:Current rents cover mortgage payment.Would need to manage tenant move-outs before renovations, which could delay the project.Evictions may be necessary if tenants do not leave voluntarily.FINANCIALS & PROJECTED RETURNS:Financing Assumptions:20% down payment, 7% interest rate, 30-year fixed mortgagePrincipal & Interest (P&I): ~$4,524/monthAnnual Expenses (including taxes & insurance): ~$17,000Utility Costs:Heat is not separately metered, leading to higher utility costs (factored into analysis).Projected Cash Flow & Returns:10% cash-on-cash return once stabilized$31K+ annual cash flow5-year total ROI ~95%, factoring in principal paydown and 2% annual appreciation

I plan to live in the smallest unit and rent out the rest.

My goal is to live in the home during the winters, maybe 3-4 additional weeks for vacation, then rent it out to help cover the mortgage the rest of the year.