It might be off season in most parts of the country to be thinking about golf or patio umbrellas, but if you're thinking ahead, you might want to consider these two niche markets as potential business ideas you can start lining up for the spring. I know most people don't consider these items as something that can be printed with a heat press, but with CAD-CUT materials or CAD-PRINTZ digital transfers, you can create custom golf flags and easily print on large canvas umbrellas.