Have you consulted a financial advisor?

Plenty you can do, even at 15.I think a guy your age for example could develop a nice small business of iphone consulting. 

This is something to consult with an attorney about.

I'm an Airbnb/VRBO owner myself, happy to help consult on some design improvements, but it'd be helpful to learn more of what your goals are.

I would recommend consulting with an attorney to find out why you would need a separate LLC for each property. 

I’d recommend consulting with attorneys experienced in both Illinois and Wyoming laws to ensure everything is set up correctly.

Start with house hacking, buying rentals, flipping, and consult an accountant for tax and deductions.Good luck!

Example, you have a business as a consultant, you make $10,000 in gross consulting income, 5k NET, which is subject to medicare and SS tax, this would qualify one for a Solo 401(k).

This is complicated and needs to be consulted with a tax advisor.This post does not create a CPA-Client relationship.

., payroll, invoicing for non-rental income), you might want to keep both.Ultimately, it depends on your specific needs:For property-specific accounting, Buildium is likely enough.For broader business finances, consider running both or consulting a CPA to see if Buildium covers all your requirements.