Edit: misread your post. We were buying 2-4 per day between the two of us. The rate at which it paid itself off was quite reasonable. Considering that this purc

Edit: misread your post. We were buying 2-4 per day between the two of us. The rate at which it paid itself off was quite reasonable. Considering that this purchase was not a major outlay for us, we didn’t bother working the numbers. But since we bought it three years ago, I can safely say it has paid itself off several times over at this point.