It depends on who services the 401K plan.

You can fund as many as you'd like, hard money needs to see a good track record and cash reserves in your account. 

Pay them for their services.

One of which is a rodent issue; to remediate this we have hired a pest control company to do a full service inspection and trapping job for several weeks, but we are still having issues. 

Are aware of any software solutions/service provider for managing C-corp operations like payroll processing, book keeping etc ?

Finding any other trades or services and coordinating them with your GC. 

It was free the first year (or not free since their poor service and my lack of understanding cost me my tenants), but I refuse to pay for them again. 

NOI represents the property's income after operating expenses but before debt service (mortgage payments) and income taxes.Evaluate Cash Flow: Deduct the mortgage payment (principal and interest) from the NOI to determine the property's net cash flow.

This will help people connect with you after determining how their goals, services and resources align with yours.As you continued getting onboarded and acclimated here on BiggerPockets, you'll have tons of questions about Real Estate...

My plan is to chip away at these items as needed, keeping about 20k reserves for this in the next 5 years.