Most advice about where to live abroad is written for people whose main constraint is cost and whose main requirement is internet. Neither is my binding constraint. I run client engagements in US business hours and I train for endurance events, which means a city has to serve two schedules that do not care about each other. That turns the question from a preference into a criteria problem, and criteria problems have a method.
Five things matter. They rarely agree, and the cheap cities are usually cheap for reasons that show up in one of the other four.
1. Client time zones
This is the first filter because it is the only one that cannot be bought around. A gym can be joined, a visa can be applied for, a flight can be booked. An unfavourable offset is structural: it decides which of your good hours belong to you and which belong to a call.
I care less about the raw number of overlapping hours than about where the overlap lands. A base that puts client hours in my evening leaves my morning intact for the work that actually requires thinking. A base that puts them in my early morning takes the best block of my day and hands it to a calendar. I have written up the full arithmetic in What a Time Zone Actually Costs; for the base decision, the short version is that the offset either protects the morning block or it does not, and everything else is negotiable in a way that this is not.
2. Training infrastructure
This is the criterion that gets ignored in every "best cities for remote work" list, and it is the one that quietly decides whether a base works for me. A hybrid athlete needs a fifty-metre pool or at least a twenty-five that is not permanently full of lessons, a track or a measured flat loop with reliable surface, and a gym with real barbells and enough plates rather than a hotel-style room with machines and a single pair of dumbbells.
Three specific failure modes have caught me. Pools with opening hours that collide with the client overlap window, so the only swimmable slot is the one I am on calls for. Heat and humidity that make outdoor running genuinely unsafe for most of the day, compressing every session into a narrow dawn slot. And gyms that look complete on Instagram and stock up to twenty-kilogram dumbbells, which is fine until you need to actually load something.
Since the femur fracture in April, this criterion has hardened further. Rehab work is not improvisable. It needs consistent equipment and, at certain stages, a physio I can see repeatedly rather than a new one every few weeks. A city with excellent food, cheap rent and no serious sports medicine is not a base, it is a holiday.
3. Cost, honestly counted
Cost comparisons are usually done wrong, because they compare rent and stop there. The number that matters is the total monthly cost of running the life you actually run: housing in a neighbourhood you can train out of, memberships for the facilities above, food that supports training volume, coworking or a room that works acoustically for calls, and the flights the base implies, which is a real recurring line item and not a one-off.
Counted that way, the gap between the famously cheap cities and the expensive ones narrows a lot. A cheap base that requires four long-haul flights a year to stay in front of clients is not cheap. An expensive base that removes all four might be the lower number.
4. Visa position
I hold a US passport, which makes short stays easy in most of the world and long stays complicated in exactly the places worth staying in. The trap is optimising for entry rather than for duration. A ninety-day visa-free stamp feels generous when you arrive and becomes a countdown when you have signed a lease, joined a gym, found a physio and built a training block around a race that sits on the wrong side of the expiry date.
So the question is not "can I get in", it is "can I stay long enough for the base to be worth building". Anything that requires leaving the country every ninety days is not a base, it is a rotation, and rotations are expensive in exactly the way the previous section describes. Tax residency is the other half of this, and it is genuinely a question for an accountant rather than a blog post.
5. Flight connectivity
The relevant measure is not how many destinations the airport serves but how many of my destinations it reaches without a second connection. One long-haul leg to my primary client region, and one reasonable route to family, covers most of what I need. A city that requires two connections to get anywhere adds most of a day at each end of every trip, and that time comes out of working days and training days both.
A direct daily long-haul route is worth a surprising amount of rent. It is the difference between a trip costing two travel days and costing four, which over a year of even modest travel is weeks.
How the criteria fight
They conflict in predictable ways. The cities with the best training infrastructure and sports medicine tend to be expensive and sit in unfavourable time zones for US work. The cities with excellent cost and connectivity often have climate or facility gaps. The ones with generous long-stay visas are frequently the ones with the worst offset.
My resolution order, when they conflict, is: time zone first, because it is structural. Then training infrastructure, because a base that degrades training degrades everything downstream of training, which for me is most things. Then visa duration, because it determines whether the other investments amortise. Cost and connectivity get traded against each other at the end, and they usually settle themselves.
New York remains home, and that is not an accident: it scores well on three of the five and removes the time-zone question entirely. Everywhere else is a deliberate trade against that baseline, made for a reason, for a defined stretch, with the cost understood in advance rather than discovered in week six.
The last piece is what the travel between bases does to a training block, which is its own problem: Training Through Long-Haul.
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