It's true that you need some opening knowledge to get through the start of the game without getting slaughtered. But you don't need GM level preparation. The most common opening for white is the Ruy Lopez or Spanish opening, and a favorite for black is the Sicilian. You should know the rudiments of both of those openings from both sides of the board.
Two great places to go are chessopenings.com for wonderful video lectures on the openings and the strategies behind them, and chessgames.com for thousands of games which you can sort by opening.
Watch the videos several times each to get some of the patterns imprinted in your brain, and then go over to chessgames.com and play over the moves of a large number of master games, thinking carefully about every move and about why you think it was played.
Beyond that, only practice will help. Play a bunch of games here on chess.com with the opening(s) you're learning, and analyze your games--especially your losses--afterwards.
Above all, though, don't try to play a whole bunch of different opening at the beginning. Whether you play the Spanish, or the queen's gambit, or the king's gambit or anything else, stick with it for several months and really learn it before you try anything else.
Good luck.
I have been playing for nine months and my rating is between 1100-1150. I read in many publications that players rated as low as I am should not worry about openings. Practice solving tactics instead. Tactics! Tactics! Chess is 90% Tactics. So I listened and did just that. However, now I am having misgivings about taking that advice. There are times I get lucky at the start of a game and I am able to play my opponent on a level playing field. But too many times I messed up so badly by the seventh move I know I'm going to lose pretty badly. The only openings I know is the Kings Pawn if I play the White pieces. When I play Black I try to mirror my opponents moves at the beginning of the game. I need to start learning the opening game but I have no clue how to start. There are too many openings and each opening has it's own variation. What is the best plan to begin learning and understand the opening game taking baby steps so I don't get so confused I wind up getting migraine headaches? Any help would be greatly appreciated.