Farming deviate fish in any of the Barrens oasis and then selling it on the auction house to the Alliance, or on your own auction house if you’re already Alliance is a great way to make some extra silver extremely early on. 202 are a few extra tips I found helped me acquire more gold. Get the largest bags you can reasonably afford because if you can’t carry loot home you’re throwing items and money away. Get an add-on that tells you the vendor price of vahilla items, for example Auctionator ot. If none of the quest rewards are useful to you then you can choose the one with the highest vendor value. Silk Cloth is very common and cheap from players constantly farming Scarlet Monastery, so vendoring Silk Bandages is often more lucrative than Auctions.