American consumers are loading up on personal loans. The term “personal loan” covers an array of products. Typically, though, it’s an installment loan with a fixed interest rate and monthly payments that might stretch for one year or several. Current rates range from roughly 6% to 36% or more. You can get a personal loan from a big-name bank, online lender or credit union. Americans use them to fix roofs, buy hot tubs, finance vacations and pay tuition. And they’re getting more popular every year. The ...