No you cannot. You can transfer blockchain tokens ostensibly valued at millions, but you can't actually spend that money without cashing it out, which is extremely difficult with sums that large.
There is lots of things you can purchase directly with bitcoin.
Very few of them are both legal and tangible.
You can purchase anything on Newegg with bitcoin directly
Bitcoin isn't liquid like cash.
True. A lot of governments are working on fixing that... by making cash a lot less liquid.