Each of us have had or have mentors in our lives.

They would have audit, exam and compliance issues with having a foreclosed junior, and successor non-obligor behind them.

There are quality people out here but you need to educate yourself before, during and after they take their time to mentor you.

I would look to find someone you can learn from, a mentor that you can get some insights from, and potentially partner on a few deals helping with some of your time, maybe some small part of that $100k.  

If I can recommend anything (and everybody is entitled to their own opinion) I would recommend finding a traditional brick and mortar brokerage where you have access to a mentor, company paid resources, company name recognition, etc.

Connect with fellow investors, mentors, and experts through local meetups, events, and online communities.

Also know that superior liens survive junior liens in a foreclosure.  

You can use a True Portfolio Program lower rates, No prepays and you do not need to use other properties as junior liens or cross coll.

The owner may reside in either the remaining portion of the structure or the newly created junior accessory dwelling unit.

Join local meetups, read books, listen to podcasts, find a mentor once you have a base level of knowledge.