Very rarely will a bank bid on a tax foreclosure, if it happens it's usually small local banks who would rather have the county do the foreclosure instead of them.  

I would look into your local REI Facebook group and search for previous posts of people looking for property management companies.

For the rentals, we always have a local "on call" relationship with a local investor to assist when needed.

It has been recommended to attend a local meetup, but what do I say?

The search function sucks, if it even exists anymore - it's become so marketing, advertising and click bait oriented. 

Additionally, depending on your unique requirements and tastes, speaking with a local real estate agent might offer insightful advice.If you have more specific criteria or questions about any of these areas, feel free to share, and I can provide more targeted information. 

Local brokers in your market will know the current cap rates for the property class, mainly based on recent comparable sales.

I was filing with a local CPA (also a friend) and she was only charging about $800.

Utilize resources like BiggerPockets and local investor groups to gather valuable insights and connections.

it is probably best to speak with this directly with your local section 8 office.