Hi Marnie,
If you click on the Support the Sewing Place link at the top right of TSP Home Page
you can choose to subscribe yearly or monthly,
Click on your preferred option and you will have the option to Order with Paypal
Above this is a checked tick box which says Make this a recurring payment
Make sure this is ticked and continue on to Paypal to complete your subscription.
Easy, Peasy Squeeze the Lemons, Chill!