Guides
The costs to budget for beyond the purchase price — over and above the auction.
On top of the winning price come costs that vary by canton. The main ones are notary fees, the property transfer tax and land-register charges; how they're split between buyer and seller depends on cantonal practice and the deed.
Bidding on BidHome is free for buyers: these official costs are due on completion, independent of the platform. Budget for them before you set your maximum.
A notary or your bank can give you a costed estimate for the canton in question before you bid.
General information, not legal advice.