There are several basic rules for a 1031 for identifying properties, timelines, and uses. 

Avoid any self-help eviction tactics like changing locks.Maintenance: As a landlord, you’re responsible for ensuring the property meets basic health and safety standards, including working plumbing, heating, and electrical systems.Inspections: While there are no mandatory inspections required before renting, your property should comply with building codes.

It could very well be its all lost but seems like a big jump to conclusions by investors that basically did very high interest rate investing and expected  CD like performance..

Basically it is not 2012.Good luck

I was quoting pool prices for my clients several years ago at approximately $40K (basic package 12'X24' including screen enclosure and paver deck) and then they doubled and more after COVID.

You basically have "Growing but no cash flow" or "Stagnant growth but good cash flow". 

Is there any way to basically “lock in” the target building, or is there always going to be a risk that you won’t be able to find the right building within the 1031 timeframe?

There are often weekends or holidays that finding even a basic motel for the night in some areas is nearly impossible (especially if you have pets!) 

I'm hoping he'll have some options for me.I know a Home Equity Loan is basically a second mortgage in normal situations, but they seem to come with less red tape from what I've found.

Security is too basic and important an issue for the technology to fail.