When you are done reading them, consider donating them to a local hospital. They pass them out to patients and use them in the waiting rooms and are really appreciated.
Finally, if you have the time, most libraries maintain multiple subscriptions and you can also find a number of mags online as well.
PROS: Saves you money, fosters community by creating interaction with your neighbors, decreases energy and resource use in magazine printing and transporting.
CONS: May create a lag in reading new issues so for current events mags this may not be a practical solution.