As an entrepreneur, it's hard to claim a fixed income when your earning potential is infinite in both directions Whether you remote work from home or remote work from a different country, the nature of being a self-employed entrepreneur/freelancer can usually mean inconsistent income. Sometimes this works for you, and sometimes it's the other way. I've had hugely earning months over time and also some where I make $0 or lose money depending on the business venture, market conditions and industry climate. It's all about living realistically and budgeting wisely to make sure that your lifestyle can survive the bumps in the road. There are always unforeseen (and foreseen - taxes for example) expenses that come up on the nomad journey. I think we could see the same pattern for entrepreneurs who work "at home" in places like Silicon Valley, for instance. Businesses succeed and fail and formerly successful ones can also fail later on.
I've noticed that many nomads are on literally shoe string budgets and this can be a stressful way to live. It's hard to be a paycheck to paycheck international nomad. I recommend to everyone to save up money before venturing into this lifestyle.
That being said, it can be fun to ball out when you can: fly business class, spend the day at a luxury spa, get bottle service at a famous club, stay at the Peninsula or jet over to Monaco. I know there are nomads who do this or can do this (but choose not to). My experience has been that most of the people who can live this way regularly are not in fact nomads, but ones who are traveling on a company's dime. Business execs of multinationals usually have their travel expenses paid for by their employers so they don't care how much their hotel room or first class seat costs. That is a nice perk of the job, but I think that we would all choose our freedom over luxury any day. I'd rather work for myself with financial uncertainty than have a typical 9-5 (or 8-11) corporate job that pays for a sky club membership.
I think that nomads by our nature may be less risk averse when it comes to being a nomad, but are more frugal with money because we want to be in this for the long haul. No matter how successful I am financially at a given moment, I still spend frugally because you never know when you'll need it for a rainy day (or year) ahead. I treat myself once in a while but when you can live so well in so many places for a conservative cost of living, it's hard to justify overspending for the sake of it.