The chance of getting another Tier1 FP+ at DHS as a 4th, even on a non crowded day is extremely slim. So plan your day with the idea that it isn't going to happen, and be thrilled if you have amazing luck and get one. Last week, I missed out on riding RNRC again for the 3rd trip since FP+ started. It is one of my favorites, but DD refuses to ride it. DH did it in the single rider line, but it took him over half an hour, so I did not want to take another half hour out of family time. RNRC had a 40 minute standby line at that time. Plus, when I would have gotten a chance, it would have been later in the day, and the RNRC line was 60 minutes, so I figured it could easily take me longer than 30 minutes. Probably the best strategy would be to try to be near the front of the rope drop crowd to book it to the Tier 1 for which you do not have a FP+. Because of the tiering- the standby lines build up really fast as people run to the ones they did not get a FP+ for in the morning.