Are you using your phone? It seems that I tried this and it wouldn't let me because I needed to go to an actual computer to complete the process. Also, go through all the questions and comments and make sure you answered or acknowledged them. If you miss one question or comment area that is required it won't let you publish. This is easier to review on a computer too.
Thank you for your quick reaction, no, I am using computer, I've passed through everything, but it does not let me further then step 3: Get ready for guests! I have two other properties listed for a couple of years, but don't remember that I have had any troubles ever. I am allowed just to enter the base price, and availability calendar, but without possibility to enter prices. I have even tried another browser, but nothing, I'll try once more!!