No one wants to pay more than they have to for something, so naturally, no one wants to pay interest on anything. This is especially true when you are spending a large sum of money, like when getting a bail bonds. You are already paying the bail agent quite a bit of money, you do not want to pay any more than you need to.
When you are looking at bail agents, make sure you find one that does not charge interest on any of its bail bonds. There are companies, like San Francisco Bail Bond Store, that do not charge their clients interest, which helps make the bail bond more affordable.
Charging interest is just one of the many ways that bad bail bond companies try to make more money off of their clients. Companies like that should be avoided at all costs. You do not want to pay more than you need to in order to get your loved one out of jail.