When Microwaves first came out they were huge but with a tiny cooking area and they were not affordable, and were mostly in business kitchens and a few restaurants. I would love a freeze dryer but the cheapest I have seen is $1600 and they only have 4 small trays.
The person you replied to said
and you indicated that your sister would have enough of her own freeze-dried food that she wouldn’t need to trade for it. Thus, she is safe from being OP’s concubine.
Safe from? You mean she doesn’t get to.