you better shop around.the words of toni tennille and john matarese this morning.he warns you to avoid one-stop shopping at some of the big box stores ...so you don't grab your jacket before temperatures dip below freezing. skies will be partly cloudy and highs improve a few more degrees, up to the 50 degree mark this afternoon. we'll warm quickly in the days ahead before showers and storms return on thursday. while many people us celebrated the start of spring on saturday, some 60 million americans aren't looking forward to what it brings with it...allergy season.think burning, itching eyes and noses that won't stop running. the website pollen-dot-com tracks pollen counts nation-wide.the site's national allergy map shows the southern half of the u-s got absolutely whacked with pollen yesterday. spring *is* here and soon enough you'll be landscaping. but buyer beware -- big box stores may *not* be ideal for all your purchases.consumer us where the deals are and *are not*...so you don't waste your money. its spring, which means many of us are heading out to home depot and lowes to buy o