I have been working with buyers and sellers, but would like to focus on performing BPOs for financial institutions, which will help me supplement my income between closings.

The key is get familiar with the management tools your servicer offers first, then look to supplement your administrative needs.  

Do you want to continue to work and have the 600k supplement your current lifestyle?

We buy single family homes and pure investments to supplement for faster growth.

The volatility of the market combined with the astronomical costs of marketing that it takes to create leads leaves many people bankrupt and forces even the most successful of those in this field to find easier ways to make money in order to supplement, and in some cases replace, their sporadic income that is pretty standard among wholesalers and creative investment specialists. 

Only other real estate experience I have is buying a home with my wife 4 years ago(and the occasional seminar from StrongBrook, Yancy, etc).I'm working 3 part time jobs until I get things going as a Realtor and also starting to get things planned to invest in real estate to help supplement my income and set my family up for retirement.I'm looking forward to learning from the BP community & getting to know everyone. 

My longer term goal is to build up a number of cash-flow rentals, with an eye to being able to have it supplement or replace my main income within a decade.

If you are hoping to get some supplemental passive income you could look to invest alongside other investors in a partnership or syndication, to build long term wealth maybe look at rental properties, be actively investing to replace your 9-5 income maybe rehabbing or wholesaling.

I start school this fall to become an RN which will definitely help supplement my real estate venture.

you can call the credit agencies and provide them with the private note and cancelled checks and they will issue you a supplement adding it to your credit report.