Hrm, on paper it doesn't sound too bad then.
15 x 3 weeks for digging = 45$ full amount.
10 bucks for shopping = 10$
30 bucks for Merch = 30$
total = 85$
85 w/ Premium + highest tier simucoin = 53 $
It's still a price increase but it's not a massive one (3~35$ more) and you have a choice to piecemeal it. So.. all in all I think it's a wash.
... Or am I being too optimistic?