Lease or finance? Better for the longer run and resell or future trade in

I'm super new to the lease concept and I've never really understood if it's a better option to take that or just pay around 50 to 60k for a depreciated 2024 or 2025 i5 and finance it.

Would it be cheaper if I lease it and then purchase the lease? If I switch to a new car, isn't that money down the drain vs me owning something I can drive without the 10 or 12k power annum limit? Maybe I'm missing out a lot of things, but I definitely need a couple of ears and suggestions.

Note: I'm a first time car buyer, 28 years old, no tickets nothing, and the insurance companies are charging around 400 to 500 for my m60 and 350 for an edrive.