When money is tight, buying on credit is the most popular way of getting some help for people living in Germany, a survey published on Wednesday showed. The poll, conducted by the firm YouGov for the company TeamBank, asked 3,160 people between 18 and 79 in June and July what forms of credit they used. Some 73% stated that they had used at least one financing option before, with the most popular, at 38%, being buying on credit, while nearly a third (29%) said they used the overdraft facility at their bank. Those who opted for purchases in instalments came in at 26% while 28% took out loans for…