I don't know of any title agency that would handle a closing like that since you wouldn't know the amount of funds needed to bring to the table until the minute you do the signatures....but maybe you can find one. 

I understand that everyone has unique goals, and responses will vary depending on those objectives.

We will create a unique website for each property which will increase its desirability.

I am planning to convert the living room in the property to bedrooms and want to use the garage as common space (have a pool table or a Foosball table, a couch etc).

It’s fantastic to see you and your wife diving into real estate investing, especially in the Detroit market.Detroit has some unique opportunities for rentals, and there’s a lot of potential for growth.

Lease Options: Structure a lease option for the property you're flipping, allowing you to control the property while securing financing through the lease payments.By combining these strategies, you can create a unique financing plan tailored to your specific project and financial situation.

However there is nothing unique or special about bitcoin. 

One upside to me would consistent rent scale, meaning if you upgrade one unit early, you set the table for all of the units when done because they are all the same.

If you can find smaller local banks in the market you pick they may have more unique products that they keep on their balance sheet or try and do the 5% down conventional on a 4-unit  FHA's self-sufficiency test applies to both 3 and 4-unit properties.

I've built a pivot table of brand name vs. cap rates per state, and I am starting to see some of those patterns emerge.