"To share the cost" means dividing or splitting the expenses or monetary burden with other people, so that each person contributes or pays a part of it.
Sentences with «to share the cost»
Under the 2015 law, if families could contribute any money, they were allowed to add on to the county's contribution instead of sharing the cost of basic services. (syracuse.com)
Save money by splitting utility costs and reduce monthly payments by sharing the cost with another roommate or with the owner of the property. (rentalads.com)