It will depend on how they do it. Some schools around us have simply delayed any type of school. So their teachers have time. Nothing will be different in a month most likely, so I would expect the ones delaying are just delaying bit by bit b/c they don't want to just announce they aren't having school.
If they operate like they did in the spring, our teachers will have time. They basically just put together assignments for people to pick up or download. Certainly some work but not much. That would be very easy for a teacher to knock out with a hard day's work and then get paid to teach a small group in person.
If they require teachers to record lessons, then it will be a lot of work for a teacher to do both. Doable, but it will probably be a lot harder to find the ones willing to do it and/or we'll have to pay a little more.
If they do the "synchronous" option, then they won't be able to do both. At that point, the price of poker will go up significantly. Best case scenario at that point is probably a college student that is doing remote school. Probably won't have somebody that can manage more than our kids, so we'll probably be footing the bill ourselves at that point or at most splitting with one other family.
For what it's worth, we have good teachers and administration and the vast majority of them want to do in school teaching as far as I can tell. I am expecting us to go to school as planned but we have a lot of idiots that are making noise asking school to be postponed or mandated that it be remote (when we already have remote options for those that want it). Some people just can't be happy unless they are telling other people what to do.
My wife had to do online teaching and she spent way more time and effort this spring teaching than she did prior to the shut down. She spent hours and hours putting together those packets you mentioned and designing the material to be taught online, then many more hours and hours teaching a few kids at a time online. She worked harder than she ever did in a classroom and it was less effective. Many kids didn't have the resources others just didn't show up to the online dates. She spent hours on the phones with parents discussing each kid too get participation. You have no idea what you speak when you say, "They basically just put together assignments for people to pick up or download. Certainly some work but not much." Speak about stuff you know, this subject you do not.