I work outside my apartment but I found it too hard to set up a portable table every time I needed to sharpen, especially when there was snow on the ground. It's better to improvise something that is always ready to use.
My first version was a Workmate, which I still occasionally use when I need to work on the bases:
That works perfectly but it's too much set up time. This is the current set up, and it works way better than you think it does:
I find it too hard to hot wax in the cold months, but I sharpen almost every day. Having a permanent bench and the right tools is a game changer. Skip the spendy folding benches and the vises. That stuff is all just wasted motion. With the money you save get a few good quality, simple tools, or maybe a rotobrush if liquid wax isn't good enough for you.
dm