Save some money by making your own simple magnetic stir plate from parts you may already have around your home. This piece of home brewing equipment is a nice addition to home brewers of all skill levels. I should have done this sooner!
Making a Yeast Starter: https://youtu.be/-JDq-6vCeQ4
Building up a Yeast Starter: https://youtu.be/vaqAPWJfsyo