There are a lot of different things to consider here.

Makes for very easy updating.As for out-of-state, @Daniel Hyman is correct that any competent tax preparer should be able to handle different state returns using easily available resources. 

This Sponsor has at least 8 properties in some kind of distress all in different geographical areas.

@Marko BukvaI'm not entirely clear on the plan and ownership, but there are potentially several different types of tax at play for a transaction like you're discussing - gift taxes, estate tax, income tax, property tax, documentary transfer tax, etc. 

Also, if you haven’t already, giving the property a deep clean before showings can make a big difference in first impressions, especially with investor buyers who don’t want to inherit extra work.

Focus on Education and NetworkingBuild your knowledge: Continue learning about different real estate investing strategies and market trends to make informed decisions.Connect with other investors: Network with experienced investors in your area to gain insights and potentially find partnership opportunities.    

You've likely used tons of different CRMs coming from sales, and HubSpot looks and feels the part.

. $20k tax lien are two very different animals.What you are offering seems more than generous but again - it all depends. 

First red flag is if they say that they will shop your deal with a few different investors.  

@Tony Schmucker if it were me, it would totally depned on a ton of differing factors that you may not be measuring (some outside of investment real estate).