ask Soros
The Fed has a balance sheet which reflects its purchases of Treasury bonds. Paradoxically, such purchases by the Fed inject cash into the economy but also make it harder for banks to acquire and hold Treasuries for their capital accounts.
Don’t bother researching, generally in the US you can do alright if you don’t make a fuss. Just keep waving your flag, supporting the troops, and don’t forget to remove your shoes and put them in the box before getting on the plane.
There is no money to keep because there is no printed money. It is all numbers in a computer. They are just shuffling numbers around to create environments they think are conducive to economic health. They usually get it wrong.
Until the US is well on the way to fiscal health, it will not be a good time to buy bonds, period.
If you do, will be paid back with a reduced dollar.