the one about carrying 40,000 per family sounds ridiculous that’s over a 1000 €. So you come with you wife and need have that large sum of money when people use credit cards and scan and pay. People in this facebook group know, but millions of tourists that come in don’t and don’t bring cash with them.
i enter Singapore 12 times a year and never get questioned. The same here in Thailand before I got my visa. And in Singapore you can enter without speaking to IO. The only people that are being denied or questioned are people doing something abusive. Border bounces etc.
i have three different passports/nationalities I have used all them in the past without any problems. So a lot of bogus answers here. Now that I have a visa I use the passport that is linked to that