One week premium - kinda new player

Hello Guys if I buy one week premium do u think I can make 30m silver to buy one month premium I’m t6 fisherman have Ava rod Have some level on cloth refining Currently only have 1m silver Also I don’t want to make 30m 15-20m is fine Also not so good at crafting things What should I use my focus on What do u guys think is the move here I can play 6-8 hours a day