The prices for accommodation in Liptovský Mikuláš are quite economical. Slovakia is considered to be a country with inexpensive resorts in this respect. Of course, it's entirely up to you. Renting a car, ski equipment, learning to ski requires some investment.
But if you don't need such extras, the cost of accommodation in Liptovsky Mikulasz will cost you less than 500 EUR, including ski pass, hotel and good food, per person per week.
Living in Liptovski-Mikulasz, as in any other resort in this country, is absolutely realistic. You can budget your trip in advance, based on prices in cafes and restaurants, hotel accommodation and transfers to the ski elevators.
When figuring out how much it costs to stay in Liptovsky Mikulasz, don't forget about tickets to the water park. It's quite possible you'll be going there!
On average, you will pay around 25-30 EUR per night per person for accommodation in a 3 star hotel (like Trimount Drevenice Bobrovec). Hotels can be cheaper, there are rooms for 12-20 EUR. Inexpensive hotels are Apartmány Liptov, Penzion Bonifac, Penzion Ajda.