Many seniors across the country would consider their senior living community a safe haven. But for some, these properties turn out to be money traps right when their personal finances are most fragile. Martha Bray, an 84-year-old Vietnam veteran, found herself trapped in such an unfortunate situation. After 10 years of living at River Glen of St. Charles, a senior living community near Chicago that she describes as her “dream” home, the property was acquired by two investment companies that swiftly raised rents. She told NBC News that her monthly maintenance surged from $1,395 to $6,500 — a 365% increase....