That's a great question! A runaway trash bin is a real nuisance, and having one stolen is even worse. Luckily, there are several effective ways to secure it, ranging from simple DIY tricks to more permanent installations.
First, for a quick and easy fix, try adding weight. Fill the bottom of the bin with a layer of bricks, rocks, or sandbags. This lowers the center of gravity, making it much harder for the wind to tip it over. You can also use a bungee cord or a heavy-duty strap to lash the bin's handle to a nearby fence post, railing, or a sturdy anchor point on your house.
For a more secure, semi-permanent solution, consider ground anchors. You can purchase commercial trash can anchors that screw into the ground. The bin then locks onto the anchor with a cable or chain. A similar DIY approach involves driving a long, sturdy steel stake or rebar into the ground next to the bin and using a weatherproof chain and padlock to secure them together.
The most permanent method is to create a concrete anchor pad. Set a heavy-duty eye bolt into a small concrete slab where you want your bin to sit. Once cured, you can chain your bin to the bolt. This is extremely effective but requires more effort.
For theft prevention, the chain and padlock method is your best bet. Run a chain through the bin's handle or a drilled hole (if plastic) and around a fixed object, then secure it with a quality padlock. Remember, the goal is to make stealing your bin more trouble than it's worth.
Combining weight at the bottom with a locking mechanism at the top offers the best overall protection against both wind and thieves. Start with the simplest solution that fits your needs and location.