By 2018, the ACA could be unaffordable for the average​ family

By 2018, with an estimated 10% annual rate increase, the average family of three would have to make $29,000 more per year for the cheapest Affordable Care Act plan to be deemed "affordable" by the law's definition, according to a recent study by eHealth, a private online health insurance exchange.

Why it matters: President Trump has threatened to "let Obamacare implode" in the face of the failure of several repeal and replace efforts by Republican lawmakers, and these hikes would affect a large portion of the middle and working class of Trump's base. He has also threatened to stop paying the law's cost-sharing subsidies to insurance companies, which would make premiums shoot up even more.