Travel insurance policies vary considerably in what they actually cover, and understanding the specific protections that matter most helps travellers choose appropriate coverage rather than the cheapest available option that may leave significant gaps. Medical coverage deserves particular attention for international travel specifically, since many domestic health insurance plans offer limited or no coverage abroad, making comprehensive medical coverage, including emergency medical evacuation, genuinely important rather than optional for many destinations. Trip cancellation and interruption coverage protects against the financial loss of a cancelled or cut-short trip due to covered reasons, though the specific covered reasons vary significantly between policies, making it worth reading this section carefully rather than assuming broad coverage applies to any cancellation reason. Baggage coverage, while often less critical than medical protection, still provides meaningful value for trips involving expensive equipment or extended travel where lost luggage would create significant practical disruption. Pre-existing medical condition coverage requires particular attention, since many standard policies exclude complications related to pre-existing conditions unless specifically added, which matters significantly for travellers managing ongoing health conditions. Comparing policies based on the specific risks most relevant to a particular trip — adventure activities, remote destinations, high-value equipment — produces more genuinely useful coverage than defaulting to the lowest-priced standard policy without considering these specific trip characteristics.