I do remember the free battery card. You got a free battery once a month when you visited the store.
This will blow you away. Everything in this 1991 Radio Shack ad is in a modern smartphone.
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Call me old skewl, but I bought a replacement board for our $1800 Electrolux convection oven to have as a spare. It cost $129. If it goes I will be replacing the part and not the oven. I don't like this disposable society chit.