When traveling to Arusha on a budget, consider staying in areas like Mto wa Mbu and Karatu, where you can find affordable accommodations and access nearby attractions like Tarangire and Ngorongoro Crater. Travel during months with favorable weather, such as June through October. For activities, consider budget safaris and day trips, like exploring the deep crater lake at Lake Duluti or visiting local markets. For food, try economical dishes like rice, beans, and chapatis, and experience street food at places like 'Chicken on a bonnet'. Consider shared safaris to save money.