Going crossed-eyed over the myriad mortgage options these days? Don't despair, says a local real estate expert and author. With the right knowledge, research and professional team backing you up, there are some great deals to be had, says Douglas Gray, president of National Real Estate Institute Inc, and author of Mortgages Made Easy: The All-Canadian Guide to Home Financing. And it all starts with proper preparation, including doing an online credit check to make sure your financial affairs are as they should be, and knowing how much a lender will potentially grant you, Gray says. His No. 1 piece of mortgage advice: Don't deal directly with lenders, but work with a mortgage broker who can seek out the best deals from up to 100 different lenders. 'They know all the big players, and who's hungry - and you don't pay a penny to the mortgage broker,' says Gray, who also advises homebuyers to do a little comparison-shopping, and talk with at least three different bro...