RentRedi has options of "Accept", "Reject", and "Request Update (more information)".

There are plenty of investment opportunities in the Detroit area as well which have the potential to offer immediate value, so I would weigh your options with care. 

With the right resources and help, you can still make it happen.There are options that can help make buying a home possible today — even if your savings are limited or your credit isn’t perfect.

Aside from arbitrage, I am looking into multi units.

Options - collect full payment for the 3 months up front and lower the deposit to secure against damages only, require insurance.

In addition to what was said above, for the software that has a free trial option, sign up for it and use the software for a day (or at least a few hours) as if you are using it for real, then call their customer support too and get a feel for that. 

Based on the fact that new construction is currently at a relatively low premium when compared to existing construction, I think this strategy might be a good option.

@Chris Mason thanks for the info regarding the loan options for ADUs.

I’m looking to network with people that help asset manage multi family apartment complexes.My business partner and I have grown to almost 300 units.

For scaling your portfolio, consider house hacking another multi-family property to minimize living expenses while building equity.