Removed item from stock after letting me secure mine. How is this allowed?

I would like to start this by saying that I have been trying to buy a series x for quite some time now. The first dozen or so drops I attempted, I was always just a few seconds too late. "Out of stock". Every time..

Finally one day, a few weeks ago it was in stock. I clicked checkout and i waited for it to load. 30 seconds passed before it told me "sorry, this item is out of stock." But it let me save for later. Cool. Maybe I have a leg up now.

Doesn't seem that way.

That was 2-3 weeks ago. Then today, a drop happens at like 2:38 am and I open the page and it doesn't say out of stock. I'm up, i know not many else are, so I'm excited. I click checkout, and wait for it to load. Same as before, 30 seconds passes. "Enter your shipping address". Finally I got in after a month of trying. I'm hyped. Roomates trying to sleep... are not.

I enter in all of my info. Error with your card. Try again.

Enter in again, but too quick to remember to change the address from the automatic shipping one (Im at a university, so 2 diff addresses). Error again. Third times the charm i enter in all of my stuff and click through again. Everything's right this time.

"Were sorry this item is out of stock." "save for later?"

Are you kidding me? This is how bots get everything, I have never felt this much rage toward a company for their online ordering procedures. This is ridiculous. FIX IT

:)