Welcome to the forum here is a small set of 1/4" at Home Depot that would get you started. Yonico Multi Profile 1/4 in. Shank Carbide Tipped Router Bit Set (15-Piece)-17150q - The Home Depot it really depends on what you want to do but that set won't brake the bank and they are rated well. I use straight bits and round overs a lot. Here is a 1/2" set Yonico Multi Profile 1/2 in. Shank Carbide Tipped Router Bit Set (15-Piece)-17150 - The Home Depot. I would probably opt for the 1/4" set because the will also fit a trim router if you decide to get one later. Just my thoughts and a way to get started. The best way to learn is to go and make some saw dust.