In that case, the GP, who was a cheating SOB, issued a K-1 allocating cap gains [§1231 gains] to my Client, who was a minority LP.  

I think you will gain a lot there. 

Tax StrategyWhile liquidating the brokerage account may trigger capital gains taxes, strategies like staggered withdrawals or tax-loss harvesting can help minimize the impact.

You have to pay depreciation recapture and gains on the pro-rated time it was a rental.

Knowing what NOT to do is often the most valuable advice!

You have the ability to sell while limiting your capital gains tax because you lived in 2 of the last 5 years. 

Connecting with investors is a great move too; it’s one of the best ways to gain real-world knowledge and build a strong foundation for your journey.What kind of investing are you most interested in? 

Then, if you can trend over time you'll want to see where the "path of progress" is going/moving and attempt to buy in that path of progress to gain some appreciation in the future.

Your net gain is your net sale, minus your adjust cost basis.

They will get you the plaster price and take a portion of what they gained you.