There are numerous rules regarding self employment, this can be really complicated when the business owner is in the military or a military spouse. It is important to know how to report your earnings correctly, and how and where to report income earned from the business. This is further complicated by the proliferation of the gig economy. The IRS provides some great information on how tax homes effect these calculations here: https://content.govdelivery.com/accounts/USIRS/bulletins/36d61f0?reqfrom=share
Remember that you can prepare your own tax returns with a bit of research and diligence, but sometimes it is better to utilize a professional and focus on your own business.