Syncing is click and forget. It would work with what you are needing.
uglytruck
Snow White and the Seven Dwarfs, Types of Trees, Types of Gems, Greek Gods, Types of Insects.
Why not use a self-hosted Nextcloud server? It has a lot of features that could make what you do a lot easier. Share notes, email, pictures, files, video. There's a lot of plugins available too.
As far as the money, you could use DuckDNS. It's free with the certificate. Not wanting to expose your network, I'm not understanding why you would want to use https. You could use wireguard instead.
This is really just a power-grab move. There already is "Let's Encrypt" - try going to a website that isn't https. You'll know right away that you might have typed a web address wrong.
<div style="position: relative;overflow: hidden;width: 100%;max-width:600px;margin:0 auto;padding-top: 54%;"><iframe src="https://clip.cafe/e/56495" style="position: absolute;top: 0;left: 0;bottom: 0;right: 0;width: 100%;height: 100%;"></iframe></div>
If MC Escher's Relativity was a car.
Chrome at work, Firefox at home.
The used car market is being strongly manipulated by the banks. Their inventory of repossessions has skyrocketed over the past few years, but they are limiting how many are going to auction so not to destroy the market and their margins. I've heard rumblings that with the push for EVs and their costs, carmakers are going to make them a service. You pay a monthly fee to use them and every few years you will get a new one. You will never own one outright. Who knows if this is true or not.