sometimes the Mats to items might be worth more than the completed items themselves.
The Trick is Patience with the Market Board: Whichever Market you decide to work, remember not to kill your own market by flooding it. If you have 10 very expensive mats, sell two of them as singles and aim NEAR the bottom of the prices, but never the very bottom or lower (You’ll just make the lowest items go lower, because they’re typically desperate for immediate money). Pricing at one or two slots away from the bottom will help keep your market alive, and not flooding the market will encourage others to not under cut you and wait.
I found the biggest help to making money with Miqo is having more retainers, since they bring back goodies and are 20 more selling slots.