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 August 2022.

  TRY
Stationary-Books
Course books for one level at English Preparatory Program 200
Black and white photocopy of 100 pages 20-25
Notebook 20-30
Supermarket
Bread (200 gr) 4
Feta Cheese (1 kg) 100-120
Still water (1,5 L) 4-5
Milk (1 L) 15-20
White Sugar (1 kg) 25-30
A package of spaghetti (0,5 kg) 8-10
A whole chicken (1 kg) 30-40
A dozen of eggs 30-35
Veal (1 kg) 150-160
Olive Oil (1 L) 100
Coke (250 ml) 9-10
Apple (1 kg) 10-15
Cafes-Restaurants
A cup of coffee 15-20
Burger menu in a fast-food restaurant 60-70
A meal at an inexpensive restaurant 70-100
Lunch at university cafeteria (fix menu) 4,25
Turkish bagel at faculty canteens 5
A cup of tea at faculty canteens 3
Sandwich at faculty canteens 20
Lunch at faculty canteens 25-35
Accommodation
In-campus dormitories 417-3105 
House rent in university neighborhood for 3 students 5000-8000
Double-room in ODTÜ Guesthouse  (one night) 265
Transportation
Bus/Subway Ticket for students 3,5
Dolmuş (Minibus) 7
Taxi (5 km) 45
Autostop on ODTÜ campus and Shuttles Free
Ankara-İstanbul Bus Ticket (one-way) 300
Ankara-İstanbul High-Speed Train Ticket  172
Ankara-Antalya Flight Ticket (min.) 350-400
Leisure
Movie ticket for students 35
Theatre ticket for students (state theatre) 18-30
Concert of a local music band 100
Concert of a popular music band 200-400
A football match ticket in Ankara 30-100
Other
Fuel oil (1 L) 22
Mobile phone bill - monthly 90-150
Health Insurance (by state-annually) 2400
Health Insurance (private-annually) 1000-1500

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