Besides, I didn't mandate the tenants to show their personal financial statements once in a while in the lease nor in the guaranty agreement, is it appropriate to just ask them to show it anytime I deem neccesary?

If not,  I would run some numbers, and figure out an appropriate adjusted price ever further on your home, a price where it will sell fast but you don't risk the potential greater loss on a deal that may delay you financially. 

Few questions...I am sure this is very subjective, but do 1,000 postcards seem appropriate for a first time campaign?

Personally, during the last recession, I saw properties furthest away from Tampa Bay's Economic Zones take the biggest hit, so I'd be extra careful to have appropriate forecasting based on that location factor as well. 

I guess the most logical thing is to classify them all as expenses until I get my taxes back and then move them to the appropriate Asset accounts and accumulated amortization at year end.

People now bring me deals that they think may be appropriate for me or that I might be interested in and I forward deals that are exactly what I am looking for to others for whom I know they may be a good fit.

I understand I will need to price in the costs and I can call the appropriate companies to get the historic average.

Your ROTH distribution could be subject to penalties if the contributed (or rolled over) funds have not been held for 5 years, and you are under the age of 59.5, and appropriately for the gains in the ROTH accounts too.

The appropriate amount of equity would be judged on experience; I would happily work with someone with a little less cash on hand than myself but who has proven experience, and connections.In all honesty actual experience in the US market is what I lack.

He offered a finders fee is I found a buyer, however I thought a JV would be more appropriate or splitting the profit down the middle.