Amazon is Now Charging $5 for Dash Buttons: Would You Buy One?

Although they were initially mistaken for an April Fool's Day joke, Amazon's push-to-order Dash buttons turned out to be a legitimate product. The key fob-sized device packs a tiny WiFi chip and syncs with Amazon's mobile app to let you order a specific product with the push of a button.
Now Amazon is banking on users being willing to pay for the convenience; the site has started selling its Dash buttons for $4.99 each.
No New Features Since Free Trial
Not much has changed since Amazon first released Dash into the public. There are still only 18 Dash buttons to choose from with each button corresponding to a particular brand. You can configure which product you want from that brand via the mobile app, but otherwise the Dash Replenishment Service is still very limited in terms of features.
Back in April, Amazon was offering these buttons for free on an invite-only basis. Today, it appears the trial is over and Prime members can buy Dash buttons for $4.99 each.
You Don't Know How Much You're Spending With Dash
As I mentioned in our original coverage, there are numerous downsides to Amazon's Dash. For instance, you can't see the price of the item you're buying until after you receive a confirmation email from Amazon. That essentially means you can't compare prices before buying an item. Likewise, if there are any active coupons available, there's no way to apply them via the Dash button. Still, Amazon is betting Prime members will pay $4.99 for this convenience.
Personally, I've used my Dash buttons no more than three times since April. While I absolutely love the simplicity of ordering something without having to log on to my account or fire up my tablet/laptop, I hate not knowing if the item I'm buying is cheaper elsewhere, because let's face it — Amazon doesn't always have the best price. These days, competition is lurking everywhere.
Will You Buy a Dash Button?
What do you think readers? Would you pay $4.99 (per button) for the convenience of one-touch ordering or is this just a gateway product to a bigger project Amazon is working on?

C'mon Amazon, your customers are savvy shoppers, and not the demographic that would fall for this.
And yes, "Dash" is definitely a gateway product to something bigger. The $4.99 price is just a trial balloon.
Less regularly - toiletries? Shampoo/Soap?
Anything I'd want to push a button just to order?
Still drawing a blank.
I'd love to know what it's being used for if Amazon would let us know.