When it comes to insuring your senior citizen parents, it's crucial to choose the right health insurance plan. Now, you might be considering a family floater plan that covers everyone under a single policy. It sounds convenient, right? Well, not always.Here's the deal with family floaters: The premiums are based on the age of the oldest family member. So, if your parents are older, it could hike up the cost for everyone. Plus, as they age, they might need more medical care, which can drain the coverage meant for everyone else.