This Angry Mama is bound to make you happy! If you haven't worked up the courage to take a stab at cleaning your microwave yourself, then let me introduce you to the Angry Mama Microwave Cleaner. eBay Canada has the Angry Mama for $2.90 CAD including shipping.
Just add vinegar and water to Angry Mama and she does the rest. I need more trinkets like this in my life! She will blow off some major steam in the microwave which results in crud and sticky residue being removed.
You can even use a few drops of lemon juice if you want your microwave to smell Mr. Clean fresh.
Shipping is entirely free, even though this Angry Mama has such a small price tag.
Or you could put the water and vinegar in a bowl for $0.
It comes from China so you would have to pay duties
I don't think that's the case with shipments from China.
I was looking at the same product on Amazon, and it said be prepared to have your method of payment be charged to pay for duties at the border
Usually when it's under a certain amount, as is the case here being only less than $3, they never charge duty fees. I've ordered a countless number of items straight from China, mostly via eBay for both my business and personal use, at various amounts ranging from under $1 - $50+ and have yet to be charged any extra duty fees. It's most likely just a disclaimer and in the off chance there are fees, they should be negligible and extremely inexpensive based on this low cost.