I've been looking to get an induction stove and a portable cooktop (can just plug in) seems like a good way to trial it out. Westinghouse gets good reviews from Choice. I was originally looking at a single hob but I feel like this will be simpler having just one thing to plug in.
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$170 looks to be a pretty good price compared with what's out there. Coupon code gives 15% off with eBay plus, compared to original price of $199.
I think IKEA single hob is $50.
In case anyone is interested.