I like it... goes to show it ain't the equipment and tools... rather it's the man that gets the work done.
On Halloween morning of 2010 I started burning wood for heat again, after a several year hiatus... I didn't have a single stick of firewood that morning. I spent most every weekend that cold/snowy winter of 2010/2011 cutting standing-dead elm to keep the fire going (heated 100% with wood)... don't know exactly how much I cut, split and burned, but I'll estimate it at around 10 cord, maybe 12. When the snow started melting that spring I started cutting, splitting and stacking up oak, some big oak over 30-inches... worked through June and took the summer off. Then last September I started cutting more standing-dead and filled the old coal room in the basement with around 7 cord... figuring I'd get into the oak 'round January, which never happened because of the mild winter (but I did harvest another cord or two of standing-dead in late January). This last February I started cuttin' more big oak, a big Sugar Maple, and a bit of ash... it got hot early this year, so I'm still working on the splittin' during cool mornings, and have maybe 2/3 cord left to split.
Anyway, right now I have somewhere near 16 cord of oak stacked, 3 cord Sugar Maple and one cord ash. Add in all the standing-dead elm burned, plus wood that gets cut specifically for the fire pit, and I've put up something well over 40 cord in the last 20 months (and I don't work it during the high heat of summer). By this months end I'll be cuttin' more standing-dead for the early part of the heating season.
So what's my point??
Well a lot like you, I've done it all by my lonesome, with a single 50cc saw (I do have a hydraulic splitter).
Guys like you and I are proof that it ain't the equipment and tools... rather it's the man that gets the work done.