Any methods in saving and obtaining quartz?

First of all ooof.

Second, how did you manage to save 230 quartz in the first place? Just do that again lol

In all seriousness, back when I was strict with my saving, I would literally spend only tickets, fully expecting not to get anything since I knew I had so few of them. I wouldn't even touch quartz. If I rolled all my tickets and got nothing I would move on. I find that the longer you do that, the easier it gets.

Of course, once I did start spending quartz, I went through the almost 500 that I saved on just 2 banners lol. That's why you just don't spend any at all until the right banner comes along. Everything else is bait.

As for obtaining quartz, have you done all the strengthening quests available to you yet? I used all the exp I got from nerofest to max ascend a bunch of low star servants I never use just to do their rank-up quests. There'll probably be an interlude/rank-up half AP thing at some point, but idk when.

The start is always the hardest, because the feeling of rolling the gacha is fresh in your mind. Once you haven't rolled the gacha for 6 or so months, it just isn't part of your FGO gameplay anymore.

To keep myself preoccupied, I set myself goals in the game. My first goal was to max ascend my favourite Servants. When I achieved that, I moved onto max ascending all my Servants. And now, I'm looking to 10/10/10 my favourite Servants.

If you're on 0AP and looking to procrastinate on FGO further, search what materials your Servants need to ascend or skill level, and look ahead on future events to see what materials they'll give. That way, you're not arbitrarily working towards a goal you don't know when it'll be completed.

(Shameless plug for a sheet I made that summarises event shop materials you'll get from future events: https://www.reddit.com/r/grandorder/comments/9kxq0a/na_event_materials_from_halloween_2015_rerun/)

I can tell you right now that to 10/10/10 Emiya, Sakata Kintoki and Merlin (if I get him) by the end of the year, I'll need to farm 15 horseshoes and 6 pages. Having a goal with a clear completion date helps keep you focused and on track.

...And that's my personal strategy in detail. Currently, I'm sitting on 576SQ and 18 tickets, been saving since JAlter's last banner. Prior to that, my big save was for the first Waver rate-up, where I threw 492SQ and 69 tickets at him, and didn't get him.

Lengthy read, but hope you got something out of it!