I typically build in an inspection contingency into my offers (yes this reduces my competitiveness of my offers, but its also a safety net to protect my bottom line).

 You may be able to secure higher leverage financing through alternative lenders than a traditional bank (not always the case) and this may help advance your objective of reducing the down payment/cash requirement but that may only be temporary relief as you will likely pay more over the course of the loan because of higher rates and fees.

Military pay is documented on a Leave and Earnings Statement (LES).

If they are prepared to earn the private fund returns (and tax benefits) they need to accept the lock up period is indeterminate.

The idea is to purchase a single-family residence where they would help cover the mortgage, or at least reduce my monthly payments.I’d love to hear from anyone who has experience with house hacking!

I have been use Baselane for the last three years and I like being able to login and at any moment get a very clear picture of my rental earnings for the month. 

This allows you to get an RFC (tax ID) and report your income on platforms like Airbnb or others, reducing the tax rate to 8%.

A cash flow study should be performed to ensure that the refinance does not drastically reduce the property's return.Good luck!

If you do not want to do that, then you would have to ask the seller to reduce the purchase price by that dollar amount.

Even if I have tenants who are further below market rent than I wish they were I do well because I have reduced vacancy/turnover.