Thr job market, and for that matter the internet quality, in most of those Nova Scotian locations is not going to support anything except the kindest full-remote position. Those houses are for sale at that rate because they were too bad to get swept up in the wave of transplants the province has been seeing basically since the pandemic started.
My family purchased a home in the province in 2007 for less than 100k. We had to repair the foundation and roof of our house multiple times, and the previous owner used seven layers of wallpaper instead of installing insulation. Cheap homes have their own problems, and two pensions was the only reason we could afford to fix it.