I just finished grinding about 30 or 40 stumps of all sizes in a very end accessible place near the border of West Mount Airy and Chestnut Hill in Philadelphia. We had to actually cut through a deer path on Fairmount Park clearing logs and low branches out of the way to get the machine access to her backyard. Anyhow was in adventure we did a few small stumps out front what she was grateful for which I just threw in and no extra charge. She's very happy with the job