what are good U.S. coins worth collecting?

i want to prescription medicine expand what little i have. i have the state quarters and a good amount of wheat pennies, except the rare ones. id like to maybe start on other types. im not looking to spend thousands just a few bucks here and there. i have us mint wrapped rolls of the 2009 lincoln penny. also do you know a good reputable online source to obtain them.
thanks for your help
Jason

 

Tagged with: Coins • Collecting • Good • U.S. • Worth