Also check whether your current insurance remains suitable once the property is rented and you are no longer nearby. Seattle-specific landlord and tenant requirements can affect timing, notices and turnover, so local guidance matters; I would not assume a manager transfers every responsibility...
The point about completed sales adds one definition to settle first: how are you using “villa” in Austin? It could mean a detached luxury house, a home within a managed community, or an overseas property category being used for comparison.
If you mean a local detached home, narrow the evidence...
A realistic holding period is useful, but relying on one refinance date creates another risk. The replacement loan may be unavailable or unattractive when that date arrives.
I would first choose a payment that remains manageable under the current mortgage, since affordability is the hardest...