Continue to immerse yourself in education, listen to every podcast with supplemental reading.

If you buy right and manage right you can absolutely be profitable and supplement your income with one property.

Some day I will need to step out of public schools (I teach shop, so I like hands on work) and I'd love to have real estate supplement my income. 

After talking to a few people about thier friends that started real estate investing in the same position as i am, most of them used credit to start off until they aquired the capital where they didnt need it anymore, or it was more of a supplement.

I provide some coaching and mentoring but mostly for people who have a job or own their own business but want to invest on the side for supplemental income.

My thoughts on this are that you are going to live SOMEWHERE anyway, and you will probably pay SOMETHING anyway - so why not get tenants to supplement that.

Another option is to add supplemental financing to a deal once stabilized and keep the original financing in place. 

Long term I want to be investing in commercial real estate with a focus on multifamily properties to build up passive income to supplement my business income. 

You lose now if you sell and if you rent you will need to supplement your tenant rent every month to cover your expenses.

Any investing you do will supplement your income now and after you retire so you clearly do not need much.