I think they offer tax prep services, but I'm sure they would have a recommendation/partner for that if they don't. 

Find the lender that offers the terms and loan products most appealing and manageable for you. 99.99% of HM lenders will have a 70%-75% LTV Loan program with terms between 6-9 months.With origination fees between 1.99-4.99 and interest 10.99-13.99.

PNC offered $2g for closing cost.

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.

While a 721 does offer some depreciation benefit. 

They can connect with you and be your boots on the ground offering you a chance to see properties with video showings and talk to you more about the market.

Any insights or advice you could offer in these areas would be invaluable.

In San Antonio, I'm starting to see more homes go under contract within the first couple weeks as well as some getting multiple offers (which has been pretty rare for us the last 8-12 months).

@Julie Sears offer them $1,000 and see what they say?

You shouldn't need any umbrella insurance with Proper since they offer everything in one, but you have the option to up the liability as well.