For style savvy guys, eBay is an amazing resource for finding cool, eclectic and quality pieces for their home and wardrobes for far less than you’d pay in a traditional store. But the site is massive, with more than 150 million active buyers last year bidding on everything from designer clothes and vintage watches to antique furniture and old cars. In a virtual sea of options, unfortunate knockoffs and aggressive bidders, finding what you want and getting a deal can be tricky. Here’s how to succeed.