It pays to buy more than a policy from the same insurer as this will qualify you for a more affordable free insurance quote. This qualifies you for a multi-policy discount. However, you might be better served by obtaining your policies from different insurance companies.
So spend time to find out which pays you better. And a good way to check is to obtain and compare quotes from not less 5 insurance quotes sites. You’ll almost always save a lot more if you get and compare quotes from not less than five quotes sites because you’ll be less likely to miss many great offers.