My only input on the Flowerpicking, the end all be all herb Black Lotus is BoP and cannot be sold.
Herbealism has to be the eazyest skill in the game, i hit 300 by level 37, could have got it a 36 but I didnt feel like asking for a guide to the crater, but one must remember all the flowerless(or useless flowerd zones). Menny zones are herbelest freindly ,STV,Highlands,wetland, felwood,the crater,ferallas, EPL,WPL but some zones are just awful, SG, Burning steps,tanris. Almost all zones have good mining, even the ones that are week in Herbs, so you places to succeed are better with mining. Now take it at face valure if herbs sell better on your server sell those, but some places are eazer dependent on server type(in Pvp it is better to have more than one option for places to find herbs/veins) The upside to herbs is less folks collect them so a better market, the downside most alchemest already pick their own herbs and usualy have a bank full of em, so unlike smiths alchemest have no quest to trun in a huge pile of potions or materials, droping the bottom out of the volume market for herbs.