Canada instituted a mandatory three-night hotel quarantine for all arriving air passengers from last week (read more here) at select hotels (read more here). Simultaneously, some Canadians found out that it was cheaper to skip the hotel quarantine by paying a fine (read more here).
You must make and pay for three nights while waiting for the Covid-19 results from the test administered at the airport. The results come in a day, and if negative, you are free to leave and continue the 14-day quarantine at your residence.