A Nether fortress trip is easier when the route is already understandable and your loadout supports both exploration and recovery.
Secure the route before the objective
Make sure you can return to the portal without relying on memory alone.
Use reliable gear you understand
Bring equipment that supports survival without carrying every valuable item you own.
Carry enough food and basic recovery supplies
Longer trips can become expensive if one small shortage forces an early retreat.
Know when to leave
Once the main objective is complete, return and convert the trip into progression before taking unnecessary extra risks.