DoH 50+ progresssion?

[Kaurhz]

50-52 - Spam 35/40 Durability items such s Rainbow Cotton Yarn, Mythrite Nugget, Cedar Lumber.
52-53 - Complete your crafting quests until Lv 50, if already done; you can submit NQ levequests.
53 - Upgrade from whatever gear directly to HQ Holy-Rainbow gear (i80), also craft yourself the tools, and accessories HQ, this should be relatively simple if you start with BSM, and some HQ mats for the initial BSM tools.
53-56 - Submit HQ levequests from Lv 52-54 range, HQ'n these should be relatively simple, you can use a simulator to figure a rotation.
56-60 - Begin doing Rowena's Splendors Exchange, you will have easy items such as Titanium Nuggets, Dark Chestnut Lumber, Star Ruby, and Ramie Cloth. Don't bother wasting leves for this level range, it's easy enough, and you can then preserve these leves for Stormblood levelling.