Completion usually happens before a public notary or an equivalent official, depending on the country. The new title only becomes final once it is registered, and this can take weeks in some countries.
Dorriseager9
The reservation agreement generally comes first: a modest payment reserves the unit while checks are completed. Check carefully the refund conditions if due diligence reveals something serious.
Last of all, a lot of buyers fail to plan for the ongoing obligations. Local tax returns are often required regardless of whether the property earns anything, and overlooked notices attract penalties nobody warns you about.
Fiscal residency forms a different question altogether. Owning property does not necessarily make you taxable on worldwide income, and crossing the day-count threshold often does.
Money deserves as much attention as the property. Setting up a local account is often necessary for the transfer, and compliance departments routinely ask for proof of the source of funds.