Pedant alert
Term insurance is a temporary solution to a permanent problem.
Life assurance is a potentially very expensive or very cheap way of paying out money whenever someone pops their clogs. Depends when they die.
Comparison sites should be fine for term insurance. Simplest form is a fixed sum for a fixed duration. Can also be written on a joint life first death policy so if either person throws a seven the other gets the pay out. At the end of the term that's it, policy ends. If the health of the insured...