1. Monthly Spreadsheet Tracking savings (cash), investments, pension, debt etc. It is a great way to monitor that you remain on track.
2. Don't increase your spend as your salary increases.
3. Do sweat the small things to a certain extent, and use apps like Revolut to maintain daily spend.
4. Pay down debt quicker.
5. Keep upskilling or looking for side hustles
I lived in the US and was fascinated by the FI movement, but I did find that often people had a lump sum to begin with that let them buy properties etc to get them going. Whilst Ireland doesn't have some of the benefits in the US, as pointed out our AVCs, low medical and property taxes etc are better.