8,000 SAR puts you in a comfortable position in Saudi Arabia. For a single worker, you can save 3,000-4,500 SAR/month even without employer housing. For a family of 4, savings drop to 1,000-2,500 SAR after the dependent levy and rent.
The tax-free environment means every SAR you save stays yours. Over 2 years, even modest monthly savings compound to a meaningful amount for your family back home.