You don't have to spend a cent - if you watch a few videos at this channels below, you don’t need any trainer:
https://www.youtube.com/@Chess28
and below especially what Nathan Rose's videos provides with all his explanations, you learn at your own pace more and faster and comfortable then any coach may provide:
Nathan Rose "Logical chess, move by move"
One of the questions that is often asked about coaching is what it costs. So here are a few references.
Chess Coach Rates: How Much Should You Pay for Chess Coaching? (CircleChess, November 2024) Discusses rates for online coaching versus in-person coaching. The coach’s qualifications also play a role. According to this article, an untitled coach may charge $20–$50 per hour, whereas a GM may charge $100–$150 per hour or more.
How Much do Chess Coaches Charge? Long message posted on Reddit in January 2024.
How Much Do Chess Lessons Cost In 2024? (MyChessTutor, October 2023). (Below $40 per chess lesson, it’s bit of a mixed bag; $70 to $100 or higher is for “the competitive or advanced player”.)
What are the normal hourly rates for coaching with a National Master (US)? (Chess Stack Exchange, March 2023).
Reasonable coaching hourly rates on the Lichess forums, December 2019, so likely outdated.
Update: this post does not argue that you should take a chess coach. It’s just to give people an idea of what the cost could be.