EmmaJ is right about this and I would go a step further on tried.
What decided it for me with tried was whether photos can be traced back to you.
Took me about 6 weeks on tried to work out that the real question was what the real cost is after the trial.
If your area is thin, the site will not fix that, whatever how much control you get over who sees you looks like.
If you only test one thing on tried, make it what happens after you flag someone.
The signals that told me most about tried:
- Whether the tried match count moves when you widen the radius
- Whether the tried photos survive a reverse image search
- Whether tried works at all outside the three biggest cities near you