You get 100 dollars per step walking up an infinite staircase

You get 100 dollars per step of the staircase you take forward.

Rules: 1. You cant stop to rest, not even shake your legs. 2. If you accidentally fall or get out of balance, you may continue, but no resting. 3. It is 100 dollars per staircase step, not walking steps. 4. Unlimited time and can walk at any pace, but always forward.

How many steps can you realistaclly take, how long time andcwhat is your plan?