Yes, you can acquire them through a local coin shop.
Yes!
Yes, old Singapore currencies are still legal tender.
Older dollar bills are indeed still in circulation. US bills aren't removed from circulation until they wear out.
You can wash old dollar bills, but if you still want to use them, then don't. (Trust me I have tried before ;D) -Nahno:-) Alternate answer: Dollar bills are put through the washer by accident quite often but if you still want to be able to use the money I would not recommend trying to wash it. Unfortunately washing old, dirty paper money does not make it new again.
All old U.S. currency is still legal tender at face value.
No
no
No
A person can exchange their old dollar bills at their local baking establishment. They may also exchange the bills for cash through a collector or dealer.
No.
5 Dollar Bills Are Very Common. They are still being printed, for as far as I know, 2 dollar bills are rare but still worth the same value.
Yes, you can still get 2 dollar bills. Banks should have them as well as coin dealers. You can also get them online.