After recently having a rather harrowing experience accidentally purchasing a costly 5th Dominion Mark 3 cannon, I would like to suggest a confirmation of purchase box for the battle market. At least for badge heavy items (over 50 in cost or something similar).

It would save you guys having to deal with innocent mistakes, and potentially not-so-innocent fraud attempts, if such a thing actually happens. It might also save someone's life, as my heart almost stopped when I watched 128 red badges essentially vaporize into what would only have been 16-32 CTP.

My situation was rectified quickly and professionally, but after this experience, I can handle an extra click to avoid a heart attack.

it would be good if there was one for the gp market as well, i brought a rt a few weeks ago intentoly, i only wanted to buy one, but my tablet decided i wanted a second rt

Yes, +1 for this.

While PMing Dan could solve the situation rather quickly, I'm sure he'll receive less small requests like these (and more time to fix things and bringing new things) if this get implemented.

Not a bad idea. I've certainly made a few mistakes myself, so would be a welcome addition.
A check-box would work.
Though... If you've been saving up badges for a while, it could get really annoying having to click the check-box every time... So maybe a quantity box so you could buy several of one item at a time would be a better idea?

The quantity box would be blank, and unless you put in a number you'd get a message like "please specify quantity" preventing you from buying by mistake.

All in all though, I'm all for it.

-1 from me.

Have you ever tried buying 20+ exo-clamps? It's not too bad, but it would be much more of a pain if there was a confirmation box.

Just double check before you click the box.

No, as pointed out for clamps, and to a lesser degree heists, chargers, and accelerators, this would make something that is already a bit tedious into something extremely aggravating.

How about a Quantity box? Simply type in the amount you require, and click buy.

Yes! +1 and a Search box XD Or at least different tabs for each badge color.

Then add a quantity box too.

"Are you sure you want to buy 20 x Charged Exo-Clamp for 40 x Silver Badge(s)? YES / NO"
"Are you sure you want to buy 1 x Dominion Cannon Mk III for 128 x Red Badge(s)? YES / NO"
"Are you sure you want to buy 100 x Tactical Inner-Bypass for 500 x Blue Badge(s)? YES / NO"

It makes everything more convenient.

Have you known Dan to be that sensible?

Heck, I'm pretty sure I saw a post not that long ago where he pretty much said he was never making a "Use X" function, so I don't see him adding a "Purchase X" function.