In Toronto, the cost of a secondhand car in good condition can vary depending on the make, model, year, and mileage of the vehicle. Generally, you can expect to pay anywhere from a few thousand to tens of thousands of dollars.
As for where to buy them, you can check out local dealerships, used car lots, and online marketplaces like AutoTrader or Kijiji. It's also a good idea to have the car inspected by a mechanic before purchasing to ensure it's in good condition.
If you're interested in exploring more than just cars, you might want to check out
https://sacfleamarkets.com/. They offer a variety of items and could be a fun place to explore while you're in Toronto.