Expenses but pre-revenue

[Andrew Ware]

I don't know how to approach this. Let's say that I start driving for dollars this tax year. But I don't purchase a property or have any other revenue for a real estate business until the 2018 tax year (or even 2019). Do these get rolled into startup costs when I do have revenue? If it matters I will have unrelated 1040 income as well as a separate business that is not real estate related. I just want to get my ducks in a row so I can approach it the right way.