With FREE plan, after your trial expires you'll first be put on a 3 week idle during which period you’ll receive no alerts and your monitoring will be paused.
After those 3 weeks, you’ll start receiving real-time alerts for a week, and then you’ll be put on idle for another 3 weeks and so on.
During the 7 days of active monitoring you get with your FREE subscription plan, you'll be receiving up to 100 alerts/day for up to 10 marketplaces.