They all mean the same thing; however, installing a liner is a separate process.
Yes, refinishing can save you around $3,000 compared to replacing a bathtub, and with proper care, it can last for many more years.
With regular non-abrasive cleaning, a reglazed bathtub can last up to 15 years.
It takes professionals between three to five hours to refinish a bathtub, while reglazing usually takes about a day.
You can use a refinished bathtub between 48 and 72 hours after the process, but some curing processes can speed this up to 24 hours. However, high humidity and cold weather may extend the drying time.