No. A dollar is a dollar between banks and the Treasury.
One dollar. Of course. If it is current legal tender, they can't charge more than face value.
Banks will happily buy gold coins for their face value - since this is nearly always far less than they are actually worth. If you wish to sell your coins for their actual value, take them to a reputable goldsmith.
Banks don't buy old coins, coin dealers will buy old coins, some jewelry stores will buy old coins, banks will take your old coins at face value and then sell them to coin dealers and and make some profit.
To buy? You can buy them for $1 at many banks, they are not rare coins, simply unpopular coins.
Some banks have them, where they can be purchased at face value. Otherwise, look on eBay.
Coins that come from banks or are taken from circulation are only face value.
Generally not, because commemorative coins aren't actual currency. Bring it to a jeweler or coin dealer instead.
No coin dealers sell them at face value, because then there's no profit to be made. However, dollar coins, including Eisenhower and Anthony dollars, sometimes turn up at banks, where they can be exchanged at face value.
When coins cost less to make than their face value
I think you mean that its minting was stopped. The coin is not recalled, they just stopped making it. It was a normal part of the US currency, but in several decades it will increase in value. The government does, however, take older coins from banks which is why you don't see older coins as much in current circulation.
What is the value of a 1982 world cup coin set from spain
Yes, you can go into any bank and ask them to denominate the value of your coins. It is also free