Hi Danny, I had the same prob for a while. The real trick has already been mentioned. KNOW your machine. You can own a cheap $100.00 unit, know it really well, and do much better than an owner of a very expensive unit who does'nt know their machine.
The next thing is to start small.....consider today your new beggining. Go to the local park and WATCH where people are going and WHAT they are doing. Walk around the park and find the "out of the way" places. I like to make a quick hand drawn map of the park and write notes.
The next thing is most definately RESEARCH. The internet is a wonderful tool, as is your local historical sociaty. Find out how old the area is where you intend to hunt, see if you can find WHAT and WHERE big public celebrations happened in the past.(Local newspaper archives are great for this).
Remember, this is your new begining, so you need to start all over with your machine. Dig ALL targets. As you do this, note how your machine reacted compared to what you dug.
It sounds complicated, but.....it soon becomes part of your routine and you will find that dividends will start paying in the form of better finds, less junk, and more knowlege of the areas you hunt.
When the cold season comes, do most of your research at that time, it helps when you get "the itch" to treasure hunt. My 2 cents....Aguila