If “follow the money” is a maxim in business, then it should come as no surprise Verizon favors the making the bulk of its investments and expansion in its enormously profitable wireless business.

Verizon Wireless earned the company $12.9 billion in operating profits during the first six months of 2013 while landlines and Verizon’s fiber optic network only delivered $87 million. That inconsistency may help explain why Verizon FiOS expansion is stalled while Verizon throws enormous sums into its 4G LTE wireless upgrade project.

The average Verizon Wireless bill is now over $150 a month. FiOS customers pay an average of over $150 a month as well, but Verizon’s costs to reach its smaller customer footprint are higher. Revenues for basic landline service are considerably lower than either wireless or fiber service.

With wireless providing a virtual ATM for Verizon Communications, the New York Times notes it is unsurprising that Verizon wants to buy out its European partner Vodafone, which owns 45% of Verizon Wireless. Once the $130 billion transaction is complete, Verizon will keep wireless profits all to itself as it continues lobbying for permission to decommission rural landlines and encourage those customers to use its vastly more profitable and almost entirely unregulated wireless network instead.

Exactly 100 years after Verizon predecessor AT&T/The Bell System voluntarily agreed to be a regulated monopoly provider of telephone service, Verizon Wireless and AT&T have successfully established unregulated wireless networks that serve most Americans with cell service and wireless data at prices that would be shocking to people 20 years ago.