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A new blog series?
Over dinner this week, I was revealed as one of those weirdos who actually read the fine print. Yep, once in a while—embarrassingly often—I’ll actually dig right into those long documents that come...
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What’s in that USPS postage barcode?
I am publishing this post as a hobbyist, because I find barcodes cool (as demonstrated by a prior open source project using 2D barcodes that I worked on). Do not attempt to use this information for any...
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Pretty sure the IRS made a typo in Publication 519
There’s a provision that allows aliens in the U.S.[1] to choose to be treated as a U.S. resident for tax purposes even if they would not otherwise qualify as a resident. Income tax rules themselves are...
View ArticleCalculating surcharges
Let’s say a credit card processor charges a variable rate plus a fixed fee on any credit card transactions. For example, Stripe’s current merchant fee in the US is 2.9% + $0.30. This means that, for a...
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