What other books does anyone suggest?

Yes, one approach is to continue with finding other cash flowing property.Let me suggest some other ideas for you to ponder, especially since you've also mentioned you are looking hard at DST's:What about Opportunity Zone funds? 

I suggest you consider working backwards to answer this question.

They have even suggested that if I want to pursue the matter, my only option is to sue, as they believe they are fully within their rights to withhold this information.

Bigger Pockets sent out an alternative investment article which included ATM investments as a suggestion. 

@Jeremy H Barton I would suggest taking a look at your cash flow before signing up for a HELOC on a brand new building.

What do you suggest I do, if there's anything else I can possibly do?

The dialer is an add-on to the app.I did verify you have received a full refund for your most recent $179 monthly fee as well as two $50 incremental charges back in September 2024 when you requested.I am eager to learn what else or where else we could have communicated better - I am open to suggestions.

Likewise, I would suggest to connect with some other investors locally. 

Treating people like people doesn't mean you make the relationship personal as Nathan suggests and not all tenants will screw you over whenever it suits them.