I am guessing only you would be signing the 18 month lease and this individual who is there to "help" won't be voluntarily offering their signature as a co-signer?

You are going to need to see their tax returns to see if they are telling the truth.And what is the interest rate that they are offering you?

@Stephen Akindona in our experience, the PMCs offering:- No Termination Fees- Tenant Replacement Guarantees- Eviction Guarantees- Flat Fee Management- Etc.only manage Class A & B+ properties, or bite off more than they can chew and their services suffer.

The house is offered to the buyer at the ARV price, and we explain how we plan to rehab the property and its worth after repairs (ARV).The end buyer has to make a commitment of at least 10% of the ARV, provide proof of funds, and other documents required to list the property on our website.

You can offer whatever you think is appropriate and message the seller with your reasoning.

Benefits of the ATI ExemptionThe ATI exemption offers several key benefits:Reduced Tax Burden: By lowering the assessed value, property owners can significantly reduce their property tax bills, freeing up resources for other investments or operational expenses.Encourages Investment: For real estate investors, the exemption makes South Carolina a more attractive market by reducing the tax impact of property acquisitions.Substantial Tax Savings: The reduction in taxable value can lead to considerable property tax savings over time.Multi-Year Benefit: The exemption can apply for up to five years after the sale (based on SC revaluation cycles).Wide Applicability: It’s available for various types of properties, including multi-family projects, commercial properties, and even vacant land for development.Who is Eligible for the ATI Exemption?

They have failed to renew my entities with the Secretaries of State multiple times, have billed me wrong amounts, and GREATEST OF ALL, have cost my business ~$50K in cumulative TAX PENALTIES due to negligence in filing for a tax extension, failing to walk me through my tax filings and needed payments, and failing to file an abatement promptly.

If so, consider adjusting your rent or offering incentives like flexible lease terms.

network, meet people, go to meetups, take people out for coffee, and walk as many properties as you can. 

Once you walk a property, you often have to throw your original underwriting out the window.