You don't remove it from your credit report, you lender will just not count that debt against you once you provide 12 months of statements showing it is paid by the business.  

If you ever need any specific resources for your projects like contractors, lenders, or an investor-friendly agent, there are plenty of professionals here who can provide you with those connections.

I have considered creating my own Property Management LLC to do the work above and hiring my dad as an employee, however, I was told this would provide no benefit in terms of liability and it would just add costs and more taxes.I would appreciate your feedback.

I'll spare you the details, but I had a good 21-year career in the military because it provided a decent paycheck.

No one thought of this as “wholesaling”, or thought of it as a stand alone business, or thought to provide seminars or mentorship’s on the process.  

You also haven't provided any numbers about ROI or cashflow - how good are these properties performing?

Yes, provided the contract you are using has the five-day attorney review period.

Businesses that only charge, say, 8-10% on rent and that don't charge ancillary or per-occasion fees are not making any money on the landlord's property, unless of course they are not hiring any staff to provide full service, in which case, I would stay clear. 

My experience so far has been quite positive, but I'm eager to explore more efficient ways to grow my portfolio and maximize returns.Any advice, insights, and resources you can provide regarding this strategy in Milwaukee would be greatly appreciated. 

To be clear, I should ask for who his builder's insurance provider is?