US Immigration from Thailand

Hi everyone, I'm a little new here and trying to get everything straight.

My fianc (petitioner) and I (beneficiary) are moving back to South Africa from Thailand to start the process of applying for our K1 visa. She will be heading to the US first for a friends wedding and also begin the process for the K1 visa through Rapid Visa.

While working here we have managed to accumulate a decent amount more funds than needed to satisfy the poverty guidelines. This is a combination of assets and cash in both our names. Since we plan on living in South Africa together and move to the USA together that means that she won't have a stable form of income in the US until we leave.

Would this situation cause some issues for us in the application process? Any advice would be welcomed.

Kind regards,

Dewald & Brittney