Sure you can!
I bot my farmer (miner / herbalist) 5 days out of 7. I have 2 alchemists (for the pot and flask transmutes) and whatever I have left over from the herbs, I mill and make fortune cookies (249g a stack on my server). Half the ore gets prospected, made into rings and DE'd - the mats get sold on the AH but I save some hypnotic dusts for making embersilk bags. The other half of the ore gets smelted and turned into Stormforged shoulders then DE'd to make crystals (these are a really faster seller!). I spend at least 1 day botting for raid fish feast mats (Guppies, fathom eels and lavascales) and these get posted on Weds and Thurs nights (raid nights!)
This is just a very small snapshot of how I go about my routine of making gold, and I make around 15k a day doing this with little effort. This doesnt even include farming cloth and leather for the bags / leg armour / pristine hides etc........plus everything else you can make or gather to sell on the AH. Making gold is easy if you have a routine.

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