I'll use 15% for the investor effective tax rate unless you know otherwise... 

Using your personal credit card is not ideal as it will negatively effect your credit score and your DTI.

I got it as a house hack so I live in one unit and rent the other two units which eliminates the mortgage coming out of my pocket and I have a little more than $300 after the mortgage to save for any expenses or whatever.

That's the beauty of BRRRR model if used effectively. 

It’s more a one time offer of “cash” assistance to help pay for closing costs and effectively roll those allowable costs into the loan.  

With many corporations now supposedly considering work-from-home as the new normal, what do you think the effect will be on real estate? 

Thanks @Greg Dickerson, @Spencer Gray, @Roni Elias for your comments.Yea, I agree with two big factor being the debt type, and rent increase assumptions that will be effected in deals going forward. 

In 7 Habits of Highly Effective People Stephen Covey talks about "sharpening the saw." 

Assuming notice is given on/before 5/15, this can go into affect on 8/15 with a signed new lease agreement effective 8/15/20? 

(Don't imply they have wasted the money elsewhere,  even if there is a brand new car in the driveway,  etc)   This all needs to be documented so do it in something like an email chain making sure to identify their full name, the property,  and reference important lease terms like the effective date, deposit amount, rent amount,  how much they are behind, etc.