Close the sale and document it fully before filing, because the source of funds is the evidence that takes longest to assemble. The overall process runs for years, and the two-year conditional period sits inside it.
Documentation first, filing second
The instinct is to file as soon as the money is available, and it usually produces a weaker petition. The stronger sequence is to complete the sale, gather the corporate and tax history behind it, trace the proceeds, and only then prepare the petition around a complete record. That preparation commonly takes several months.
Adjudication times and visa availability then govern the rest and are published by the government rather than predictable in advance, so any fixed promise about duration should be treated with suspicion. Conditional residence lasts two years, and the filing to remove conditions follows with its own adjudication. Families should plan around a horizon of several years and should keep the second-stage evidence accumulating from the day the investment is made.