The cost of living in Türkiye and at ODTÜ depends on your lifestyle and shopping preferences like in many other destinations. The below table shows the approximate prices of some basic items and services as of January 2022.

  TRY
Stationary-Books
Course books for one level at English Preparatory Program 120
Black and white photocopy of 100 pages 20-25
Notebook 15-25
Supermarket
Bread (200 gr) 2,80
Feta Cheese (1 kg) 40-45
Still water (1,5 L) 1,75
Milk (1 L) 12-14
White Sugar (1 kg) 8-10
A package of spaghetti (0,5 kg) 7-9
A whole chicken (1 kg) 20-30
A dozen of eggs 20-25
Veal (1 kg) 80-100
Olive Oil (1 L) 75-90
Coke (250 ml) 4-5
Apple (1 kg) 7-10
Cafes-Restaurants
A cup of coffee 15-20
Burger menu in a fast-food restaurant 25-45
A meal at an inexpensive restaurant 45-50
Lunch at university cafeteria (fix menu) 2,95
Turkish bagel at faculty canteens 3
A cup of tea at faculty canteens 1
Sandwich at faculty canteens 10
Lunch at faculty canteens 10-20
Accommodation
In-campus dormitories 245-2300 
House rent in university neighborhood for 3 students 2500-3000
Double-room in ODTÜ Guesthouse  (one night) 190
Transportation
Bus/Subway Ticket for students 2,5
Dolmuş (Minibus) 5
Taxi (5 km) 30
Autostop on ODTÜ campus and Shuttles Free
Ankara-İstanbul Bus Ticket (one-way) 90
Ankara-İstanbul High-Speed Train Ticket  118,5
Ankara-Antalya Flight Ticket (min.) 250-300
Leisure
Movie ticket for students 20-30
Theatre ticket for students (state theatre) 10-15
Concert of a local music band 50
Concert of a popular music band 10-200
A football match ticket in Ankara 30-50
Other
Fuel oil (1 L) 13,75
Mobile phone bill - monthly 50-150
Health Insurance (by state-annually) 2400
Health Insurance (private-annually) 300-1000

Current USD/TRY rates: https://m.tr.investing.com/currencies/usd-try