Great feedback, @mbruijnpff & @JoeyKarczewski! I would also emphasize what Joey mentioned about having a plan early on for onboarding 200 users, if you haven't already connected external users to your Retool org (review the pricing, what Retool permissions will they need, how will they access the app, etc).
While I agree with the feedback about self hosting, please be aware of this pricing limitation.
Though not directly tied to your questions, @AJVancattenburch recently shared some feedback on the mobile layout development experience as well. AJ, sorry to put you on the spot, but curious if you have any additional comments for @retool_amateur's use case