There is no cost to reserve your BITs. By indicating your interest and intention to Invest you will be on the pre-order list and will be given the first opportunity to invest at $1.00 per BIT.
You will receive an email as soon as the property is for sale allowing you to make your investment. At that time, you will have 5 days to complete your investment. If you choose not to invest, your reserved BITs will be released.