The wage is the smallest number in the calculation and the only one most owners run. The rest of it decides whether the hire works or quietly drains the year.
Most families use all four and rarely decide the proportions on purpose. The order they are drawn on changes the total cost of the degree considerably.
A dwelling limit set when a policy was written and never revisited is the most ordinary form of under insurance, and the clause enforcing it is easy to miss.
The chain that drains an account rarely starts at the account. It starts somewhere unimportant and works inward through things somebody set up years ago.
The protection is real, considerably narrower than most owners assume, and easier to lose than anybody expects. The rest of the decision is bookkeeping and habits.