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The 5 mistakes eating your money every time you send it home

Zero commission does not mean free. The real cost is almost always hidden in the exchange rate, and it repeats every month. How to compare it properly in two minutes.

Equipo BNKA7 min read
Ilustracion plana: dos pilas de monedas de distinto tamano unidas por un arco y unas tijeras. Costo del tipo de cambio

You picked a provider in your first month, in the middle of moving chaos, and you have used it without thinking ever since. We all do that.

The problem is that sending money home is one of the most repeated expenses of migrant life, and a small difference multiplied by thirty-six months stops being small. These are the five most expensive mistakes, from the one that moves the most money down.

Mistake 1: comparing fees instead of comparing what arrives

This is the central mistake, and almost all the others follow from it.

An international transfer has two costs: the fee, which you see, and the spread, which you do not. The spread is the gap between the market reference rate and the rate applied to you. A provider can advertise zero fees and recover them comfortably in the exchange rate.

The right way to compare is a single question:

If I send exactly 500 euros today, how many pesos, soles or Colombian pesos does the person on the other side receive?

That number includes everything. Compare it across two or three options on the same day and at the same time, because rates move. For a starting reference, look at the euro to Argentine peso rate, euro to Peruvian sol or euro to Colombian peso.

Mistake 2: entering the amount in euros when the destination is what matters

If your family needs to cover a specific expense (rent, an instalment, medication), what matters is the amount that arrives, not the amount that leaves.

When you enter the amount in the destination currency, the system works backwards to how many euros are needed. When you enter it in euros, the result on the other side moves with the rate and you end up short or over. If the transfer has a purpose, express it in the currency of that purpose.

Mistake 3: splitting without a reason

Sending 125 euros a week instead of 500 once a month feels more prudent. It is almost always more expensive: fixed per-transaction costs get paid four times.

There is one real exception: when the destination currency loses value quickly and the recipient will spend the money immediately. In that case splitting can make sense, not because of the transfer cost, but because the money is not sitting still losing purchasing power.

Mistake 4: sending at the weekend without knowing what you are paying

The currency market does not trade on Saturdays and Sundays. The rates you see at the weekend are estimates with an extra margin covering the risk that Monday opens differently.

For a non-urgent transfer, weekdays during European hours usually offer better conditions. For an urgent one, it is not worth waiting: if someone needs the money today, the weekend margin is cheaper than the problem.

Mistake 5: not checking the beneficiary's name

This mistake does not cost money directly. It costs time, sometimes a lot of it.

On euro payments, the beneficiary name is checked against the account holder. If you write "Rosa Quispe" and the account reads "Rosa María Quispe Huamán", the payment can go to review.

Copy the name exactly as it appears on the destination account holder's ID, not as you call them. A nickname or an incomplete name is the most common cause of a transfer that "never arrives". We detail it in why an account goes under review.

A table to decide in two minutes

SituationWhat works
Monthly family supportOnce a month, on a weekday, amount expressed in destination currency.
Genuinely urgent todaySend now. The weekend margin is cheaper than the delay.
Large one-off amountCompare the final received amount across two or three providers the same day.
Fast-depreciating destination currencySplitting can make sense if the money is spent on arrival.
First time to a new beneficiarySend a small test amount and verify the exact name.

What we will not tell you

We will not tell you there is such a thing as a free transfer, because there is not. Converting currency and moving money between two countries' payment systems has a real cost: someone pays it. What can be done is to make that cost visible, so you can compare it.

We also will not tell you when to send to "take advantage" of the rate. Nobody knows which way a currency is going, and if someone assures you they do, be sceptical. If you want to understand what moves the euro, we explain it in why the euro is moving.

This content is informational and does not constitute financial, legal, tax or investment advice.

The checklist before every transfer

  1. Exactly how much does the person on the other side receive?
  2. Is the beneficiary's name written as it appears on their ID?
  3. Is the amount expressed in the currency that is needed there?
  4. Can this transfer wait for a business day?
  5. Have I saved the receipt?

Five questions, two minutes, every month. If you want the detail by corridor, see the pages for transfers to Argentina, to Peru and to Colombia.

Your life crosses borders. Your money moves with you.

Open your account with your passport, get paid in euros and send home whenever you need to.

Frequently asked questions

What is the spread and why am I charged if it says zero fees?

The spread is the difference between the market reference rate and the rate applied to you. If the market is at one level and you get a worse one, that difference is a cost, even if it does not appear as a fee on the receipt. Zero fees with a wide spread is usually more expensive than a visible fee with a tight spread.

How do I really compare two providers?

With one question: if I send exactly 500 euros today, how many pesos or soles does the person receive? That final figure includes fees, spread and any charge. Everything else is marketing.

Should I wait for a better exchange rate?

For a monthly family support transfer, usually not. Trying to time the market is speculation, and a week's delay on a payment someone needs has a real cost. If the transfer is one-off and large, the conversation is different and depends on your risk tolerance. This is not investment advice.

Is it cheaper to send once a month or weekly?

Almost always once a month. Fixed per-transaction costs get paid four times in the weekly version. The exception is when the destination currency depreciates fast and the recipient needs to spend immediately: then splitting can make sense.

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Written byEquipo BNKAContent teamUpdated on August 5, 2026 10:08

Informational content. This does not constitute financial, legal, tax or investment advice.

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