Is there a big price difference for weight loss injections depending on the hospital?

I have been looking into various methods to start managing my weight and am considering a consultation for weight loss injections. However, after searching online, I noticed that quoted prices vary significantly from hospital to hospital, so I am wondering what criteria I should use to compare prices. I would like to know if the price of weight loss injections varies solely by the type of medication, or if it also depends on the dosage or the duration of the consultation. I am also curious if I should only look at the initial quoted price when researching the cost. If I need to receive regular consultations, would it be advisable to check in advance if there are any additional costs for each visit? Rather than just looking for the cheapest place, I want to find a place that creates a realistic management plan based on my current weight and lifestyle habits. Please let me know if there are any essential questions I should ask during the initial consultation. I am also curious to know which aspect—cost or consultation methods—those that people who have actually researched weight loss injections considered the most important when comparing.