Originally Posted by
kshahk
So does this mean I can use my Continental Business Card to pay $10,000 in tax and then receive refund of $9,200 from IRS if I only owe $800 in tax for $3.89 and receive 10,000 miles?
Technically you may. Practically, only if you want to risk bringing yourself to the attention of the IRS and get flagged for an audit. I personally will not do it.