Charge the late fee, a lot of people don't and that creates a relationship with the tenant that indicates to them that it is okay to pay late.

Has become super common with these wholesalers learning how to create terms on deals that have been sitting on market for a while. 

If this is the case, you want as much money as possible in taxable and Roth assets so that you don't pass assets on that create tax burdens for your kids.  

To remedy that, the carpets should be ripped up and sealant applied to the subfloor, at minimum.There are also tiles in the smaller upstairs bathroom that are lifting up and creating a safety hazard; putting a rug on top is not a sufficient solution.The house is in a condition that materially interferes with the health of household members.

You are much more equipped to create a win win for you and the seller. 

I’m thinking of suing the utility companies for not notifying me of non-payment creating unsafe/ unsanitary situations that led to house fire, thousands in damage.

I highly recommend you create an "Animal Addendum" which is a set of rules for any animal, whether it's a pet or service animal.

Once you're ready, create a goal (e.g., "I will buy at least one single-family home, duplex, triplex, or fourplex before the end of 2019") and then do it.

I think initially it makes sense to find properties that already have finished basements, in-law suites, etc. as converting those spaces to ADUs will be inexpensive and create a significant amount of rental income ($2,000/month+ in most areas close to the city).

Everyone is suffering because of the damage this company has created and continues to especially those who invested in properties.