"Legwork" refers to the physical effort or work involving one's legs, typically used to accomplish a task or gather information. It implies conducting research, investigations, or groundwork that requires movement or action. Full definition
That's a lot of legwork for something that isn't a sure thing, and often finding an easy girl or guy isn't so easy in real life. (datingadvice.com)
This is a game that does an enormous amount of legwork in setting up a universe. (bit-tech.net)
I know this plan lacks liquidity and there is a lot of more legwork in terms of knowing foreclosure laws, appraising properties, risk borrower declares BK, etc... But the returns could be much greater and I could have more control. (janebryantquinn.com)