This might sound crazy, but a lot of (maybe even most) people can't afford to spend hundreds of thousands of [currency] for a house, even if they qualify for a mortgage.
If you want to get technical, aren't grams a measure of mass, not weight, so a kitchen scale needs to assume a value for gravity's acceleration to tell you grams, which could be slightly off depending where you are on earth?
If you tap the subscription option you originally purchased, Google will show an "already purchased" error and then Sync should recognize your Ultra status.
Serif's Affinity suite isn't free, but the UI is much more approachable than GIMP's. The maintainers also aren't being weirdly defensive about a name that's a pun of a slur or sex thing.
Is this only on specific operating systems? I don't think I've noticed it on macOS and Windows.