Each bitcoin transaction costs about $50 now. They're quite a bit more onerous to use than cash, thus people use "exchanges" which are controlled by for-profit private interests.
"The fastest and cheapest transaction fee is currently 110 satoshis/byte, shown in green at the top.
For the median transaction size of 224 bytes, this results in a fee of 24,640 satoshis." = .0002464 BTC = $2.81
That's off by a factor of 18 even if you want it to be fast, according to https://bitcoinfees.earn.com
"The fastest and cheapest transaction fee is currently 110 satoshis/byte, shown in green at the top. For the median transaction size of 224 bytes, this results in a fee of 24,640 satoshis." = .0002464 BTC = $2.81