Fight to FIRE explains what PRIIPs are and why they prohibit brokers from making US funds available in the EU.
In this post ThePoorSwiss writes about how many bonds you should have and what is the Three-Fund Portfolio.
The Poor Swiss dives a bit deeper into ETFs: learn about the differences between physical and synthetic replication methods.
Retirement Investing Today does some research and finds that only circa 35% of active funds beat low cost passive UK equity funds while only circa 20% of active funds beat passive global equities funds. He decides to stay DIY plus passive and so continue to pay 0.22% in both wrapper (ISA, SIPP, Trading Accounts) plus fund expenses annually.