Cooper, I believe you are confusing the current $1 coin, with ikes. Banks ALWAYs want people to take dollar coins.
As for the question, if you are not getting very far with halves or any other coinage, I advise you take this advice. IF you aren't getting along well with cents, nickels, dimes, quarters or halves, only then I suggest you look for the following. There are good $1 coins to be found, in rolls save all 1999 SBA dollars, they are rarer than most other years, and if you find any, save the widerim 1979-P SBA dollars. You can get anywhere from $5-15 for one on eBay. I've had best luck going to older banks, where they had solid rolls of SBAs, found 3 wide-rim SBA's out of searching roughly $2000 or so in dollar coins so far. Only do dollar coins if your local bank has a coin counter that will take them, banks always count CWR of $1 coins