I'm happy to sell a perpetual licence of my niche desktop software for 300 euros, but nobody will lay for that. Anything less, and I cannot promise updates and

I'm happy to sell a perpetual licence of my niche desktop software for 300 euros, but nobody will lay for that. Anything less, and I cannot promise updates and development time. So it will be 5 euro a month licencing until the end of it's days.