I've spent 40 Swell Sea Shells to get the horse, and then more to get the Manos riding crop. I have 15 left.

Is there any way to get more Sea Shells to buy the Kzarka weapon coupon?

You dun goofed with your purchases, those shells are capped to a limit of 120 provided you bought the season pass from the pearl shop. Best purchases are the season-boss gear exchange coupon and the tri-pack of tuvala weapon exchange coupons. after that you can do whatever with the remaining 40.

Hmm I might have to fork out another $30 if I want that Kzarka weapon, the Outfit and other crap is just a bonus that Im never gonig to use.

Isn't that just to swap for characters? Not a boss exchange?

Meh. The season boss gear exchange coupons are only useful if you are going to pen the boss exchanged tet item because pen tuvala and what you get are the same stats. The thing is after you pen that tet boss gear weapon you can never sell it so one has to question whether its actually worth doing instead of just using the pen tuvala and buying a boss weapon that should you ever pen you have the ability to sell.

shhhh let dumb people that solves everything with money empty their wallet