I have done my research on setting up the proper entity structure in the US and Canada but I really confused about all the options available LP, LLP, C-corp, S-corp.

I work specifically with investors and market for run-down properties that I am able to offer to investors I work with exclusively, on top of the properties that are available on the MLS.

I always recommending reading the information made publicly available about companies who do a regulation a+ offeringI have no opinion or research on this company.

If I am self managing my portfolio, what do I need to check/confirm, and what easily available tools are at my disposal (online, other) to help me do this? 

Here are a few suggestions on how you can maximize the wealth of information available: Check out the blogs and podcasts, or take advantage of the search feature (magnifying glass).

I have been trying toe get a list of the IRS discriminate function indicators to no avail so I'd like to know how you can say that home office no longer concerns IRS.I was just making the note that broad stroke for everyone to add spouse, kid etc to create a partnership has other considerations people need to be mindful of as well. 

Great tools that get updated regularly.I am on the lending side of things and would be happy to hop on a call with you anytime to discuss financial strategies and help answer any questions you may have about nearly any loan product available to help you on your journey, even if they are not products my capital partners offer.We are all here to help you learn and grow.

I have an available and reliable contact in Chicago, but am concerned about that time window.

To be as fair as possible, I'll let everyone know who would have qualified that the unit has been filled and is no longer available.

The loan on this house is $1,200,000.I moved in to my new primary residence by the end of the month.Starting July, my original primary residence was available as a rental and was being shown to prospective tenants.My new tenants signed a lease that began a couple weeks after showing, in July.To calculate my primary residence mortgage interest deductions, i'm using the following formula:650,000 / 2 = $325000 loan from January to June1,200,000 / 2 = $600,000 loan from July to December$750,000 limit / (600,000+325000 total loan value)  = 0.81 multiplier(0.81 * $X first house interest) + (0.81 * $Y second house) = total interest payed i can deduct from my primary residencedoes this look correct?