Maryland is the nation’s seventh most expensive state for singles to live comfortably. According to SmartAsset.com, a single adult in Maryland needs to make nearly 109-thousand-dollars to live in sustainable comfort. The study used the 50-30-20 budgeting rule for the estimates. That means 50-percent of a person’s income should be used for necessities, 30-percent for discretionary spending and 20-percent for long-term goals like retirement savings. Hawaii is the most expensive state with a single person needing just over 124-thousand-dollars and West Virginia is the lowest at around 81-thousand-dollars a year.