There are a few different types of tennis court surfaces, but the cheapest and most common is asphalt. Asphalt is durable and long lasting, but it can become slippery when wet, so make sure to factor that into your decision. If you're looking for a surface that's a little more forgiving on your joints, consider opting for clay or concrete instead.

The cheapest tennis court surface is an asphalt surface. Asphalt is a durable surface, but it can become slick when wet. It's also important to note that asphalt courts should be resurfaced every few years to maintain their playing quality.