Here are a few suggestions: 1. Find a parking lot which has gone unused. Approach the owner and offer to either purchase or lease said parking lot, or

Here are a few suggestions: 1. Find a parking lot which has gone unused. Approach the owner and offer to either purchase or lease said parking lot, or simply provide an attractive revenue share. Charge people for parking space. 2. Locate an unused office building. Similar to the parking lot, negotiate with the owner and then charge people for office space. 3. Get a bunch of hard drive storage which is accessible online. Write some software to let others make use of the storage, and charge them based on utilized disk space. As you can see, I've only scratched the surface of how you might start a space company. It all depends on what kind of space you're interested in. Perhaps more details of what you're trying to achieve will help narrow down the options.