Mempools can be checked here :
https://mempool.space/Usually I would check the congestion and Bitcoin fees here, before making the transaction, depending on your wallet that you are using you could calculate the fees that you are going to use using the mempool website.
the following website turns the Bitcoin network into an interactive machine and shows how each component of the system works together.
it provides a complete visual explanation of how our 'digital gold' works
For example, you can click on specific components (such as mining) to get a visual and verbal explanation of them
https://visualizebitcoin.org/If you want to know a lot about Bitcoin, I remember this great website that I saw here in the forum. It also has AI where Satoshi is talking to you, so that you don't need to manually research everything you just need to listen to it. I found it very informative, and it might be effective for you as well, so you could try visiting this website and see if you get the vibes, because it has awesome visuals and 3D representations, etc.