Seconding what Alexa Reed said, with one caveat about best free live cams.
The measure I would actually check on best free live cams is what the real cost is after the trial.
Gave the site a fair run over 4 weeks and kept coming back to how well it holds up once the novelty fades.
Assuming you're not paying, how the pricing behaves once you're invested is where the room gets tight.
The short checklist I use before trusting anything like best free live cams: