Interview a couple of management companies and get their income projections, but definitely be conservative. 

I became interested after watching Max Maxwell interview the two reps/owners.  

It helps you find reliable property management partnerships and gives you everything you need to make confident hiring decisions:Expert Matching: Match with professionals who meet your criteriaExtra Assurance: Licenses, experience, ratings, reviews, and more that can be cross-checked with BiggerPockets membersBonus Content: Receive an essential interactive workbook: “How to Interview Property Management CompaniesHere’s how it works:Enter your market and what you're looking forInstantly see top matches and their qualificationsConnect with only those you want to interviewBonus!

I would also start considering what a move may look like and initiate interviews with possible employers in the new area.

It helps you find reliable property management partnerships and gives you everything you need to make confident hiring decisions, like:Expert Matching: Match with professionals who meet your criteriaExtra Assurance: Licenses, experience, ratings, reviews, and more that can be cross-checked with BiggerPockets membersBonus Content: Receive an essential interactive workbook: “How to Interview Property Management Companies”

Once you interview them, and find the right one.

A third party site that conducts these types of interviews on real estate investment companies is InvestorMint.

I went through an 'interview process' with my accountant and he had me produce paperwork demonstrating income and expenses for each.

Here are some resources you might read for PA.https://www.macdonaldillig.com/judicial-tax-salehttps://www.taxsaleresources.com/state/pennsylvaniahttps://www.legis.state.pa.us/WU01/LI/LI/US/PDF/1947/0/0542....https://www.indianacountypa.gov/departments/tax-claim/proper...https://www.biggerpockets.com/forums/311/topics/122546-aquir...https://www.vinsko.com/blog/2022/08/tax-sales-sheriff-sales-...https://phillysheriff.com/real-estate/conditions-of-sale-for...https://www.curleyrothman.com/blog/how-do-tax-sales-work-in-...https://www.legis.state.pa.us/WU01/LI/LI/US/PDF/1947/0/0542....Here are some resources you might read for MD.https://www.taxsaleresources.com/blog/expert-interview-with-...

Prior to purchasing an investment property, is it fair to ask to interview the current tenants in place as part of the due diligence?