Do I really need a money belt?

No. They are uncomfortable and obvious. A secure, hidden pocket or a simple crossbody bag kept in front of you while in crowded markets is sufficient.

Can I do laundry on the road?

Yes, almost every hostel or street shop offers 'per kilo' laundry services. It is cheap, fast, and will be returned to you folded within 24 hours.

Solo Backpacking in Southeast Asia: The Essential Packing List

Pack no more than a 40-liter backpack to ensure it fits as carry-on luggage and stays under 9 kilograms. Focus on breathable, moisture-wicking fabrics and modular organization systems to handle the heat, humidity, and constant movement.

Select the right bag. Use a 35-40 liter front-loading backpack. Avoid top-loaders, which force you to dump everything out to find a pair of socks. Ensure the bag has a comfortable hip belt to distribute weight.
Use compression packing cubes. Organize your clothes into three cubes: one for tops, one for bottoms, and one for underwear/socks. Use compression cubes to squeeze out excess air and save roughly 30% more space.
Digitize your documents. Keep a physical copy of your passport, travel insurance, and vaccination records in a waterproof sleeve. Simultaneously, store encrypted digital backups on a secure cloud drive or an offline USB drive.
Assemble a targeted medical kit. Pack a small bag with rehydration salts, loperamide (for stomach issues), ibuprofen, and high-strength DEET insect repellent. Pharmacies are everywhere in SEA, so don't overpack common items.

Do I really need a money belt?: No. They are uncomfortable and obvious. A secure, hidden pocket or a simple crossbody bag kept in front of you while in crowded markets is sufficient.
Can I do laundry on the road?: Yes, almost every hostel or street shop offers 'per kilo' laundry services. It is cheap, fast, and will be returned to you folded within 24 hours.