Once an order is placed on Lanstreet.com, there may be certain time restrictions on modifying or canceling it. Typically, the ability to change or cancel an order depends on the order status. If the order has not yet been processed or shipped, there is a higher chance that modifications or cancellations can be accommodated. However, if the order is already in the processing or shipping stage, it may be more challenging to make changes. It is advisable to refer to the website for detailed information regarding their specific policies on order modifications and cancellations, as these policies can vary based on circumstances. The website usually provides up-to-date information on how to handle orders, including any necessary steps to take if one wishes to attempt a modification or cancellation. Be sure to check the current web page for the most accurate guidance regarding your situation.