Geo-targeting and geo-fencing come with challenges and limitations such as accuracy and reliability of the location data. Depending on the source, device, and environment, GPS may not work indoors, IP addresses may not reflect the actual location, and Wi-Fi may not be available or secure. Additionally, there are costs and complexities associated with the platforms and tools used for these services, including higher fees for location-based targeting, technical skills or resources needed for geo-fencing services, and updates or permissions required for apps. Furthermore, privacy and consent issues may arise due to the collection and use of location data, as users may not want to share their location or receive unsolicited messages. Additionally, countries may have strict rules or penalties, and platforms may have policies or restrictions.