I mean lets take a look at several things shall we,

- Binding Coil 1, turn 1, turn 2, and turn 4: all three are doable in less than 15 mnts, rewards you with lvl 90 gears (good for other alts or new players with alts), 10 soldiery, 5 poetic, and new desirable crafting materials that cost 9000 GC Seals. You can spam these to your heart's desire. Turn 4 is great for materia creation.
- Wanderer Palace: 15-20 mnts run, drops 10 soldiery, 5 poetic, if you are lucky, extra 3600 GC seals if you win lots on all the gears.
- Ifrit, Garuda, Titan Hard mode: 5-10 mnts run, drops 9-12 soldiery, 5-6 poetic, and weapon level 60-80 that you can desynth to sell the materia for decent amount of gil, plus primal crafting materials.
- All other trials that drops ZERO item: 10-15 mnts run, 8-12 soldiery, 4-6 poetic, ZERO items
- Syrcus Tower: 30 mnts run, 50 soldiery, 15 poetics, 4 chances at gears lvl 100, 4 chances at items that convert your lvl 100 gears to 110

Rather easy to decide which are these worth your time....