My study advice to you is that if you have time, you can study in the school system. If you don't have time, you can buy books to teach yourself. If you have the opportunity, you can also go to the relevant units (real estate, anti-counterfeiting office, consulting company) for internship. In Chongqing, the most commonly used cost software is Guanglianda. You can buy a set of pirated software online (the genuine version is too expensive, you know), and there are also corresponding video tutorials. If you go to the company for internship, you may also organize training for Guanglianda (in a building above the auditorium).
Finally, a warm reminder, nothing is good to do. Although the fee is good, it is also relative. In fact, the competitive pressure is great. There are too many people studying this now, but they can do it well. The kind of budgeter you mentioned may be well paid, but he often stays up late to work overtime, and many of them have to earn more money by private work. Just making a budget estimate has no future. Strengthen self-cultivation, learn more about project bidding, construction contracts, on-site claims, etc. Try to be admitted to the cost engineer as soon as possible. It was a real good day. Wish you success!