Extremely High. A used, retired locomotive can cost approx ₹80-90 Lakhs, and a high-speed train in Europe can cost around €25 million.
If you are looking for a or a train simulator instead, I can help find the best ones. buy a real train
Very Low. You cannot typically buy a working train engine. It is generally government property, and if available, only via auction when retired. Extremely High
Specialized, such as turning a coach into a theme restaurant, hotel, or placing a locomotive as a display on private land. Key Takeaways: Very Low
You need significant private land and logistical support to transport a retired train (which can be stripped of internal engines/electrical components).
Nightmare. Retired engines are often "scrapped," meaning electrical components are removed. You are likely buying a shell.