Figured it would be nice if we started a thread where you say some basic demographics about yourself and then what you'd spend money on. I'll start:
I'm a veteran player with a huge card pool. I may sometimes spend money on seasonal art, EX cards, new sets, or purchases involving guaranteed cards. I have no incentive to spend on lotteries or random packs since there are so few cards that I don't have.
I would (If in position to do it) spend money for: Expacks, goldbox for new sets, prebuilts, triplication lotto, eventuell exlotto with sphere restiction if i have a bigger sum in background. So basically mainly pinpoint kind of purchases.
I am assuming you are speaking about buying cards in game? If so then for me it just has to be something that I am guaranteed. And I don't mean card packs where a random 3, 4, or 5* is guaranteed, I mean guarantee as in I am guaranteed to get "X" card no matter what.
Would it cost more? You bet, but I would spend for it.
For example, I don't have any Ellie's and could really use some. I hear that they were in the EX-lotto sale and that's great. Except the only problem is I'm not guaranteed them and I have almost every other EX out there so why should I spend 300 (or 500) gran each pull for something I am not guaranteed? To me it just isn't worth it. Sure I COULD get 3 Ellies in one 500 gran Lawtia pull but the truth based on past observations is that it would probably cost me at least 10 pulls or so before I even get one.
I just refuse to pay that kind of cash with those odds. The CPC ratio in this game is still atrocious and I feel like not just me, but many veterans of this game have no reliable way to spend money on supporting it. Now that I think about it if Logress wanted to allow point cards to be spent on ANY (including EX) cards that might be a nice touch to add.