Sources, sources, and sources. SD is top 5 in the short-term fiscal stability[1]. SD may be top 5 in lowest state debt but they are 16th in per capita debt[2](that's below average). Hey I guess you're right about the public services, a local news paper reports they are also "above average"[3].

[1] https://www.usnews.com/news/best-states/rankings/fiscal-stab...

[2] https://ballotpedia.org/South_Dakota_state_budget_and_financ...

[3] https://rapidcityjournal.com/news/local/south-dakota-ranks-t...

I don't know maybe I'm just commenting because all these numbers are actually meaningless to the conversation.