If you are skilled in each of the areas above, and you have enough in reserves to cover the costs of when things do not go as planned, then you can likely attract money from private money lenders who want to get a return on their money and they see lending to you as a low risk way of earning a better return than in the other passive investing options they have. 

Some get better, some worse.The answer isn't a quick "go here" an invest.

Just to name a few: Borrower's Experience FICO Loan Amount Loan Type being sought: Perm (30 yr ams), Bridge (12-36mo I/O), Rehab (12-36mo I/O), Ground Up (12-60mo I/O) Property Type (1-4 unit, 5+ MF, Warehouse/industrial, Hospitality etc)If you have a specific deal in mind, then you can have a lender (or broker) look at it and give you a better idea.

Realistically, one checking account and an accounting system will meet all your needs and keep your business better organized than 7+ bank accounts.If you want to collect bank interest from excess cash, add a savings account.

You'll learn from it and do better.

Share your goals openly and look for alignment—it’s better to take time finding the right partner than to rush into something that doesn’t click.Vetting Potential Partners: When you find a potential partner, ask questions like:What’s your investing experience?

Hiring a good property manager may cost more upfront, but it’s often the better long-term choice, especially if you want to avoid burnout or costly mistakes.Happy to dive deeper into any of these points if it helps!

Possibly some good opportunities there to (for better or worse) capitalize on the depressed market, but income and infrastructure will take a while to rebound. 

It was actually his idea that I worked for him.Sometimes it's better to just do what your gut tells you at that moment rather than to sit and think. 

Selling it for $500K and combining that with your $100K could give you more options, like buying a single-family rental or a lake property that generates better cash flow.