I would rather build relationships rather than shoot blind seller financing offers on the MLS.Also, what markets should I look into?

Could anyone offer insight on DSCR loans and/or provide any reputable lenders?

Hard Money Lenders will be able to offer you 80% LTC (purchase + renovation), so you would have to come to the table with 20% on a flip or fix/hold.

I get the sense that they are really struggling to keep landlords as they are offering several incentives/perks for landlords. 

There are a lot of great sales pitches out there that will offer you a "once in a lifetime opportunity" - lets be real, if this was such a great opportunity why would they need your money...

It's crucial to note, though, that this extension pertains to filing only and does not grant an extension for making tax payments.Don't Delay Your PaymentsWhile the extension offers relief on the filing front, it's essential to understand that it does not exempt taxpayers from making their payments.

The problem I'm trying to solve for is coming up with a few offers that the owner can choose from.  

Looking for some insight if I should wait to purchase in the hopes of more multifamily properties becoming available in the future, if I should make an extremely low ball offer on what's currently listed.

In terms of online networking, connecting with agents and actually making offers with them would allow you to start building connection.

Forming a single member LLC offers tax and management advantages however, amending your existing partnership LLC with the state might be quicker and more cost-effective than transferring ownership through a quitclaim deed.