You don't have to start with a 20-lb. :) I'm just happy you started with a 2-digit number! I know a lot of people who start with 5-lbs which is a waste of money because you don't get anything out of it. You may find you want to get a second bell that's heavier for doing 2-handed routines eventually, and keep the one you have for 1-handed. You'll find you can do different moves with different weights. I can do one-handed rows with 40-lbs but the rest of the one-handed stuff I need to use the 30-lb.