To find a reliable mail order bride service, check reviews and testimonials from other users and look for clear information about costs, procedures, and legal requirements. Ensure the service provides customer support and guidance and has measures in place to protect your personal information and financial transactions. The costs of using mail order bride services can vary widely and typically include fees for joining the website, communication costs for chatting, emailing, or video calls, travel expenses to visit your potential bride, and legal and visa fees for documentation and applications.