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It’s such a waste to spend Bitcoin on things that loss it’s value overtime because Bitcoin is an investment.
Good point but for some people including me feel that rewarding yourself a fancy thing after worked hardly isn't considered as a waste. Of course it depends on the balance of your earnings and lifestyle.
It’s understandable on your case because you earned Bitcoin through services offered here in the forum unlike me that usually use my fiat salary to purchased Bitcoin as my in investment. Spending some of your Bitcoin earnings won’t hurt much since it’s your reward and not an initial investment that put in.
I really admire you for having a brilliant service that earn Bitcoin without the need to use fiat.