It can definitely be tricky to get a clear picture of rental prices without a good aggregated source. When I was looking for real estate for rent, particularly focusing on long-term options, I found the site at
https://kalaki.ge/realt/en/catalog/rent very helpful for comparing. This resource lists many announcements for rents all over Georgia, allowing you to see different property types, including both apartments and commercial premises. I could easily look at various one-bedroom apartment listings and compare their total area and prices in locations like Tbilisi and Batumi side-by-side. Seeing the prices listed for different numbers of bedrooms really gives you a realistic idea of the market. This platform helps immensely in conducting a comprehensive comparison of real estate options to find something suitable within your budget.