Spider mites? That doesn't sound good! My 3 spider plant babies (who are now making babies that I'm starting) came from a friend at work who has a ton of them and has had them forever. The rest of my plants have mainly come from Lowes, I haven't had any problems with them though. How can you see said spider mites?
Also where else would you suggest to buy plants?
Cool, spider plants can be so nice hanging in baskets in and outside so get the babies ready for planting soon and you will have green everywhere.
Spider mites are easy to see they are tiny but they crawl under the leaves of every type of plant in masses you can't miss them. The sure sign you have them is there are piles of webs around all the stems where the leaves meet the base of the plants.
It's such a pain to deal with them, you need to quarantine every plant and spray them with an insecticide soap that's never seemed to work for me.
I've bought plants at small plant stores in and around the city as well as flower shops as they usually get in a supply of small starter plants early in spring (these can be cheap and are good deals). Walmart has decent priced plants and a lot of the grocery stores here always have plants in early spring for in an outside of your home so there are lots of options here to buy, I've just been lazy and not bothered with plants due to other commitments.
This is one of my favorite plants to buy its called a Gold Dust plant, every one I've ever bought or was given always had spider mites.
They can easily hide in these plants due to the color of the gold splotches on the greenery.