Use 'unaffordable' when discussing economic issues like housing, healthcare, and living costs. Even with two jobs, they found the rent unaffordable.
Pro Tip 2/3
Subjective Evaluation
'Unaffordable' can be subjective; what's costly for one may not be for another. For some, a $200 concert ticket is unaffordable.
Pro Tip 3/3
Not Just Luxury
'Unaffordable' isn't only for luxury items; it can apply to basic needs becoming too expensive. After the drought, even water became unaffordable for many.