Cheap hearing aids

http://www.mdhearingaid.com/

$300-$600

"if we made a one-size-fits-most, pretty good hearing aid that's user-adjustable, we could actually do it, and do it at a cost-effective price point" - https://www.chicagotribune.com/business/blue-sky/ct-sreekant-cherukuri-mdhearingaid-bsi-20150914-story.html

- reviews on Amazon
http://www.mdhearingaid.com/reviews/amazon/

sold by Amazon and also in Canada