one of the things that can be done is leveling a sub-class thats dps. you can use those wait times for gathering. you get quite a bit of gil. i sold a full stack of hazelnuts for almost 80k and around 20 HQ for about 20k. its easy money, and youre already having to wait. doingf that, you still level pretty fast until the 30s, at which point i started doing leves