Bargain Homes Lure Buyers Worldwide to Detroit: Mortgages By Chris Christoff -, bloomberg.com Jim West/Zuma Press Peter Grosso of Long Island, New York, paid about $90,000 for 29 Detroit homes at an auction for tax-delinquent properties last October. He’s sure they’ll sell at a profit within 10 years, while he rents them for… RT @BloombergNews:…