That gas would have kept on building up till something set it off and blew up the whole house.

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Doesn't anyone use a fly swatter or newspaper anymore?
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I use an air gun that shoots a load of table salt at the beasts.
It's deeply satisfying.

It's a "Bug-A-Salt" that I found on Amazon. (Where else?)
Obliterating a fly that's just out of swatter range is truly soul-satisfying. I may be a Buddhist, but one can only carry the doctrine of Ahimsa so far!

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What are they good for anyway?

Flies and wasp are essential, I think, but mosquitoes?

Does your electric thingy look like this one:

https://www.harborfreight.com/electronic-fly-insect-swatter-62540.html?cid=paid_google

That ones only $3.99, and hopefully, yours is also cordless.

Of course, it would be comedic to see someone running around the room chasing a fly with one plugged into the wall.
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and it's in my house, I'm glad to hear that sizzle when the the electric fly swatter gets him. Then I know for sure that my hitting him worked and didn't just make him mad.

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Wish you'd taken a picture of this "scary looking wasp."
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Good thing it's cordless. You could knock over a lot of shit trying to swat a fly if it wasn't.

Although, I'd still like to see a picture of that, "scary looking wasp."
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corner them in the window or wherever until they hit the wires on their own. A friend had one, but it was a different brand and it was about half the weight this one is.

Sorry, no wasp pictures. But they're the shiny black kind who have a nest behind the shutters on the front of the house. I haven't worked up the courage to get rid of it, it's been there every summer for years. They really don't bother me, so I don't bother them. Until they come in the house, that is.