Direct answer
If you work remotely from hotels or airports, treat setup decisions as part of your operational risk management. The main limitations are (1) unstable or unfamiliar network conditions, (2) the VPN not providing absolute anonymity, safety, or universal access, and (3) the need to verify configuration and outcomes before you depend on them for real tasks.
How it works
In practice, your device connects to the venue Wi‑Fi (or cellular hotspot), then your software configuration determines how your traffic is routed. A VPN typically changes how traffic is carried between your device and the VPN service, but it does not remove every source of exposure. For example, the local Wi‑Fi network may still influence connectivity quality, captive portals may interrupt sessions, and device settings (or apps you run) can affect what is sent where.
Practical context for remote work
Common scenarios include checking email, accessing customer tools, joining calls, or pushing files to internal systems while traveling. Risks often come from network and user-environment factors: shared Wi‑Fi can be unstable, timeouts can break long sessions, and some services may behave differently depending on where your connection appears to come from. If you use unmanaged devices, browser sessions and stored credentials can add avoidable exposure.
Limitations to plan around
First, performance and availability can vary by venue network, device, location, provider, and time—so you cannot assume the same experience you get at home or in the office. Second, a VPN does not guarantee anonymity, safety, or reliable access to every website or service. Third, any claim that depends on current product behavior (for example, leak prevention, protocol support, or service reachability) requires current verification rather than assumptions.
Verification steps before relying on work
Test before you start critical tasks: confirm you can reach your intended services, run short connectivity and login checks, and observe whether sessions stay stable. Check basic device hygiene (updates, disabling unnecessary sharing, and keeping credentials locked down). Consider using separate browser profiles for travel work, avoid installing random “security” utilities from web pages, and be cautious with downloads on public networks.