call some place like Aqua Terra or safety Kleen and pay them to remove it Or siphon it into smaller containers Most auto parts stores accept used fluids in small containers  Stop in at a mechanic repair shop and ask if they can reccomend a company to remove it 

https://www.amazon.com/Paper-Profits-Beginners-essentials-mortgage-ebook/dp/B06Y4C7X6Y/ https://www.pprnoteco.com/wp-content/uploads/2016/08/Intro_to_Note_Investing.pdf Finally, check out NoteMogul which has a very reasonably priced intro course to note investing. 

Now that you have made some essential repairs, will the property continue to need things fixed or are you good for a while?

There will be times it may be scary for your safety . it will be confrontational and times you will have to actively force other adults to improve their conduct against their will to their face .

we cant say 100% in either direction because we cannot see or know the extent of roach problem. what we do know though, is that health and safety concerns (which can stem from bug problems) are usually very frowned upon in the court system, especially in NJ which is very tenant friendly. if this went to court, you would be the big bad slumlord up against the poor, deprived tenant who was tricked into living in a roach infested apartment. of course, I have no way of knowing what the truth is, and I'll assume its not since you seem like a decent person. the fact though, is that the tenant should not have a roach problem the first month living there unless he or she lived like an absolute pig. if she had lived there 8 months, I would be more inclined to push the issue. since she has had bug issues since the beginning my instincts are telling me that what is right, would be to let her leave at the end of the month and agree to amicably end the lease.

Safety and habitability issues are different.

Having recently obtained my real estate license and Property Management Master certification from the California Association of Realtors, I’m seeking that essential “real-world” experience in landlording/property management.

(I know USDA offers now down payment loans but those are on homes in rural areas, so essentially I would scramble for renters, and two I would have a hard time selling the property)? 

I think the point is: you need to create your safety net or nets.

Account Closed is essentially recommending the same thing, and I agree with him.