You did GREAT buddy and welcome to T-Net and MDing. You've got some great advise already... go slow / learn the machine / be patient. BUT... be prepared to have some BAD DAYS also because they are coming... I promise. But you'll have some GREAT ones also.... you just NEVER know... That's what "we" do!!!!!
I would say that's is pretty good for the first time out! If you live in a house that was built before 1960 you may find a silver coin there...Nice digs!
I agree, but don't discount a house if it's newer than that either. My house was built in 1980, but the terraced area next door led me to do some research, and I found out that it used to be a drive-in theater in the 50's (the terraced areas are where the cars would sit). I've only found a single silver dime here, but plenty of wheats. Do the legwork and even newer areas get older!