All in, I spend maybe an hour a week on support, across my 2 paying products. Nearly all of that is for the cheapest accounts. Companies with money have people who know what they're doing, who can quickly figure out what the product does and how to set it up, and who then go use it as intended without needing any hand holding.

I picked 10 hours a week in my example because that's where it was when I was building those things "full time". Now that they are feature complete, it's a lot closer to zero. I haven't opened the IDE for either of my rent paying products since the summer.