I would just take into account that a lower down payment will mean a higher monthly payment so be sure to run the numbers conservatively in order to ensure your STR revenue is able to carry your monthly payment with this higher mortgage cost. 

I think this was to ensure your buyer can qualify for a loan.

Your property manager will play a key role in this team, helping you maximize occupancy, maintain the property, and ensure tenant satisfaction.

Some insurance companies offer policies specifically designed for owner-occupied multifamily properties, so it’s worth asking about that option.The key is ensuring both your personal residence and the rental unit are adequately covered.

However, to ensure your plan remains compliant, including plan document maintenance and plan operation, you should engage alternate service providers.

Reducing rent sets a precedent and can attract price-sensitive tenants rather than those prioritizing quality.Negotiating renewal terms can make sense if tied to benefits like lease length or tenant stability, but always ensure it aligns with your long-term goals.

That said there are some nuances and requirements to property implement interest tracing so ensure you talk to your tax professional ahead of time and keep the funds movement as clean as possible. 

For liability protection, consider umbrella insurance, and ensure your accountant understands rental properties qualify for deductions without LLC ownership.

Supplement this far simpler entity approach by ensuring you have appropriate types and levels of insurance, you operate your business in a manner in which your conduct is not considered an exclusion in your policy, you work with licensed and insured vendors, you execute contracts with indemnification clauses with these same vendors/ require additional insured status &  maintain appropriate licensing and permits.

As for Columbus, it’s a growing market with potential for strong rental demand, but make sure to research specific neighborhoods, local market trends, and the level of competition to ensure you’re making a smart investment.