Really, it boils down to two steps:
1. Admit that it's practically impossible to get anything done while caring for a young baby.
2. Then go on and do what you can, when you can, anyway.
Small, focused efforts will add up, over time. My current project is catching up on weeding around the yard, after several weeks of no one doing anything. I've hoed and pulled weeds with my toes while babywearing, and have hand weeded during a couple of nap times. Not much time, but the yard is starting to look a lot better.