That's because a lot of things that "work" when tested can't handle the load of people living there and using them consistently and so they fail quickly.

And even though virtually every sponsor agreement allows me to share investment information with others who might be advising me on it (especially when club members are bound by an NDA), I still ask the sponsor if I can share it, because it's a test.

Or buy some tests.

They typically have a free two week trial, I would test drive a couple and see which one fits the best for you.  

Each state has different standards/factor tests that are utilized but to answer @Karolina Powell's question if you consistently avoid these bad actions expect to be ok. 1. 

.• Both sales either meet the Eligibility Test or qualify forpartial tax benefits, as described earlier.Also, if your sale of vacant land meets all these requirements, you must treat that sale and the sale of your homeas a single transaction for tax purposes

I've just seen too many unrepped buyers who think they're getting a discount by going directly to the listing agent, but they usually actually leave money on the table or screw up in one way or another without even realizing it (negotiating poorly/ not negotiating at all when they should, paying fees the seller typically pays, missing deadlines, misinterpreting inspection reports, not getting a sewer scope or radon or other things like a meth test or structural report or consulting a lawyer when appropriate, selecting most recent mill levy instead of prorated taxes for last calendar year when taxes went up 30% since last year are just a few examples I've seen personally).

And even though virtually every sponsor agreement allows me to share investment information with others who might be advising me on it (especially when club members are bound by an NDA), I still ask the sponsor if I can share it, because it's a test.

For Waldport it seems to correlate with my own experience and eyeball test.

There maybe some misunderstanding, being a short term rental property owner that will be self managing the daily operations, I’ve learned that in this scenario I would need to count at least some of the time spent setting up the property to pass one of the material participation tests.