Any tips on increasing income and lowering expenses?

You’ll lose any property tax caps they may have enjoyed and be increased to the non-owner occupant tax. 

With rental increases I could prob pay off my mortgage in 5/6 years which would net me 4K.

With $100k in equity, you might be able to secure financing for a smaller rental property without significantly increasing your housing payment.    

Many wholesalers rely on strong leads and can be found through consistent outreach efforts.4.Leveraging Virtual Assistants (VAs):If you’re building your team, think about hiring a VA who specializes in real estate lead generation and research.

The reason I say this is that with a 5+ unit a lender will evaluate based on NOI and a cap rate, so adding a 5th unit COULD (or could not) substantially increase the value of the building and make it worthwhile to refinance and pay off the existing loan (that is tied to the "old" quad) anyway.

Since then, they have operated under government control, but privatization has been a recurring topic of debate.Why Privatization is Being ConsideredSecretary Turner, along with some policymakers and industry leaders, argues that privatizing the GSEs could reduce taxpayer exposure, increase market efficiency, and encourage more private sector participation in mortgage lending.

However, investing locally has become increasingly unfeasible and unrealistic due to the high costs.

Most Walgreens now have some rental increases in primary term.

There is many different ways, key is being consistent.