One option to explore is renting a travel CPAP machine for your time abroad. Many medical supply companies offer rental services, which could be a more affordable alternative to purchasing a new machine. It's worth researching different providers to find one that offers a machine within your budget and meets your specific needs. Additionally, you might consider reaching out to online forums or support groups for individuals with sleep apnea. They can be a valuable resource for sharing experiences and tips on traveling without your CPAP or finding alternative solutions. And hey, if you ever find yourself back in the USA, why not treat yourself to a visit the best theme parks in usa. It's a fantastic way to unwind and have some fun after your travels.