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Redredge - been looking at a drone for a bit now too, here in UK you can find DJI-refurbished Mini 3 Pros for decent prices, that would be worth a look.
The Mini 4k and Mini 3 (non Pro) are very decent too and can produce amazing footage (the 3 moreso than the 4k, especially in lower light), but don't offer any customisation in sharpening/saturation/denoise settings which the Pro models do. I'd say this might only really matter if you're going to put the footage through a proper editing/grading workflow, but if the whole thing is shot on phones, it might be more or less moot as you won't have any control on those on the rest of the footage either. Then again, this doesn't mean the result will look bad in this day and age and appropriate for a lot of applications.
With Black Friday coming up, you might get the 4k for a steal (think last year they got down to close to £200 here) which is hard to look past.
According to laws, the Minis might be the only options that make sense - in Europe or UK that's definitely the case as you effectively can't fly anything bigger anywhere not remote without permits and consents, at least in principle.
We use Osmos for social content at work and Ronins for camerawork and they all work very well - TL;DR stick to DJI and you can hardly do any wrong.
I picked up the DJi osmo too and it’s really good, chews through the phone battery but it’s unlikely you use it for hours.
On the drone tip, factor in a good few days practising because you don’t want to be flying these things anywhere near people unless you’re 100% in control.