It should just be the lender application which is vary straight forward from lender to lender unless your doing a construction loan. 

For DSCR loans, this literally varies by lender and by rental type (LTR, STR). 

This is pretty easy to obtain from calling a couple brokers, but could vary greatly between what you are quoted and what seller is paying.Age and condition of building?  

Most areas are seasonal to a degree.

I think your big difference will be in local rental laws which vary by city.

I'll report back when it's 11 degrees and the sun sets at 3:45 PM in January, though.

Personally, I just communicate with my tenants that we keep the HVAC (in florida so rarely need the furnace) above 68 degrees at all times, and that it is best to keep the HVAC above 74 degrees during the hotter afternoons where the ambient temp is in the 90s.

Each of these markets has its pros and cons, from rising property values to varying regulations on short-term rentals.As for financing, beyond traditional mortgages, you could explore DSCR loans (especially useful for rental properties), private lending, and even seller financing.

Deductibles vary by carrier, state, property. 

Impressive Rent-to-Price Ratios: Average rents for 3-bed homes are about $800-$900/month, potentially yielding 12-15% gross returns.Economic Transition: While historically industrial, Bay City is diversifying into healthcare, education, and service sectors.Revitalization Efforts: Downtown redevelopment and community initiatives are breathing new life into the city.Strong Cash Flow Potential: Low property taxes and insurance costs contribute to robust monthly cash flows.Let's crunch some numbers on a hypothetical deal:Purchase Price: $75,000Down Payment (20%): $15,000Mortgage (4.5% interest, 30-year fixed): $304/monthProperty Tax: $100/monthInsurance: $60/monthEstimated Repairs/CapEx: $100/monthProperty Management (10%): $85/monthTotal Monthly Expenses: $649Potential Rent: $850/monthEstimated Monthly Cash Flow: $201Cash-on-Cash Return: About 16.08% (not including appreciation or tax benefits)These are rough estimates, and individual properties will vary.