Reddit has narrow, highly specialized communities where product mentions, while not necessarily recommendations, are very useful for researching, shopping, and understanding a niche consumer market.
5-10% of gross scheduled rents is cheap? Maybe if your market allows you to collect a huge amount of surplus, then that could be true. I would expect a large portion of small property owners became accidental landlords when they ended up with an extra house, and are just hoping to break even on the cash flow, and banking on equity accumulation and capital appreciation to make the whole enterprise worthwhile. Paying a property manager puts that at risk.
It already has, repeatedly - but that's totally orthogonal. To imply that gun owners are worried about systematic government oppression that would necessitate an uprising is not an accurate portrayal of conventional wisdom, it's a half-assed attempt at interpreting the Constitution and extrapolating gun ownership rationale. But most gun owners in the US (that I know - and I know quite a few) possess them for hunting, collecting, and sport shooting, in that order.