The thirty plus year ground lease plus the new capital improvements made to or on the real property leased by the SMLLC creates and represents the new interest in real property that you will be identify and acquire as your replacement property in your 1031 Exchange.

You should have resolved the lock issue during the turnover rental prep.Secondly, did the locksmith identify exactly what the issue was?

For example how do you identify with confidence that your market attracts more professionals vs. families vs. bachelor/bachelorette parties, etc. and therefore how you'd know which amenities to offer?

Could you share a bit about how you identified the builder you eventually decided to work with? 

Start with Reonomy or Costar to identify all the 100+ units in your target market (on and off market) and then see if you can get into direct contact with some owners.

Identify the biggest losses and cut those with as minimal a loss as you can.

Very difficult to identify 2% deals in areas where you can consistently collect rent with any kind of predictability. 

Quote from @Kislay Shah: To identify a proficient real estate CPA, investors should prioritize professionals with a proven track record in handling real estate portfolios, transactions, and tax planning. 

They can identify potential investment opportunities... not to mention all the tenant/landlord laws, eviction process, security deposits, accounting, end of year tax statements etc. lots of pitfalls to be avoided.wish you success in your ventures!

I recommend identifying your financial goals first.