He is unlikely to fight back in court when everyone in the house is against him.When he is served notice, ensure everyone is in the home to witness it and present a unified front.

We didn't even notice the amazing fresh flower arrangement for almost 24 hours!  

When I have inherited tenants, I have been most successful when I have provided longer non-renewal notices, like 60-90 days, and offered to assist with moving costs.

2. have you noticed higher and regular exterior maintence protection (sealing/weatherproofing/termite/bug protection) or anythign?

My understanding is that if you've given the neighbor written notice of the need to maintain / remove the tree, if it falls it's considered an act of nature (high winds) and you have to deal with it.

I've noticed end of 2024 to heat up and seeing that as 2025 starts.

I ask because as I look for my first property I noticed that the numbers RTR provide do not always match the numbers I come up with as I do assessments using the BP calculators.

What can I do to gain experience/get a job and get noticed in this field? 

I notice that you mention two different states when you are talking about house hacking.

City recently did a building inspection and we noticed the tenant is smoking in the unit (cigarettes and marijuana), food waste everywhere leading to building pest issues, and there are 5 people living there now (3 adults and 2 kids).