Direct answer: Negative carry means revenue after core costs does not cover mortgage, HOA, and reserve reality. In Canmore, high basis plus competition makes this common for leveraged buyers — most investors get this wrong by calling it “temporary” without funding the gap.
Across comparable models on this site, many stress-tests use roughly 55%–75% blended annual occupancy and public nightly rates near $250–$450 before platform fees and discounting; monthly net cash flow still varies sharply with leverage, HOA, and nights sold.
Common negative-carry triggers
Trigger
,
What to watch
LTV > ~70%
Debt service swallows thin STR margins
Occupancy under mid-60s
Fixed costs do not shrink with empty nights
High HOA / insurance
Dollar drag even when gross looks fine
Discounting to fill
Nights booked, ADR collapsed
Why do Canmore STR properties go negative monthly?
Purchase price, financing, and HOA are fixed while STR gross moves with calendar and competition. This is where deals break when underwriting used peak weeks as “normal.”
Negative carry means revenue after core costs does not cover mortgage, HOA, and reserve reality. In Canmore, high basis plus competition makes this common for leveraged buyers — most investors get this wrong by calling it “temporary” without funding the gap.