(eg, if your lot is not the standard 25 x 125, but some other multiple where the width is actually skinnier than 25, and the lenghth is longer than 125, and you want to reduce side setback requirements, eg.) 

The dude asking for advice is a 33 year old retired NFL player and she recommended he check out a $5 or $10 book written by another 33 year old retired NFL player.

What would standard down the payment be? 

They build, you do a standard FHA mortgage at closing once the home is completed. 

The background check is supposed to identify the amount of risk, then you determine whether you can mitigate that risk or not.

Things like a new roof can range - here in Philadelphia where i do a lot of work, our flat rubber rowhome roofs are fairly inexpensive and standard . . .

@Christopher HeidrichRecommend you first figure out the property Class you want to invest in, THEN figure out the corresponding location to invest in.Property Class will typically dictate the Class of tenant you get, which greatly IMPACTS rental income stability and property maintenance/damage by tenants.If you apply Class A assumptions to a Class B or C purchase, your expectations won’t be met and it may be a financial disaster.If you buy/renovate a property in Class D area to Class A standards, what quality of tenant will you get?

., the 2006 or 2009 IECC — International Energy Conservation Code).Cost Considerations for a 90-unit or 112-unit Project:The actual cost of qualifying for the 45L tax credit depends on various factors, including:Energy Efficiency Compliance: The primary cost will come from ensuring that each unit meets the required energy efficiency standards, which typically involve energy modeling, certification from third-party energy raters, and potentially upgrading insulation, HVAC systems, windows, and other components of the building to meet the necessary performance levels.Energy Modeling: Typically, you'll need to pay for an energy consultant or engineer to model the building's energy performance and ensure it qualifies for the credit.

These files were standardized forms that many other lenders in the past have given me up front or not long after the initial engagement.

Aggressive pricing is necessary to achieve this, so it's important to ensure the property is realistically priced in line with market standards, which often is not necessarily what you're hoping to sell for.