I have someone who wants to do a land contract sell price 500k 70 k non refundable down 2 year balloon 3500 month payment. 2000 principle 1500 interest 4% percent.

I’m better off than I was 4 years ago for sure.

It's pulling in over $1,000,000 a year in gross revenue.

When we first started investing, we were able to put some of those houses on 15 year notes at 4.5-4.75%.

I just graduated and am currently working as an intern at a government agency (for up to one year).

No, the subscription fee is like $699/year.  

.#2 Repair Management, tracking expenses, following up with outstanding work orders, ensuring work completed with photos by vendors, notifying owners when there is a repair request by the tenant and track the time it takes from work order to completion, track the amount of repairs to a home at end of year so owner can see those expenses and try to get them on service contracts and off home warranties.

If the condo can be used for MTRs, can I change rent across rentals in a year depending on seasonality and target segment?

At least where I am located you don't need a GC license to get insurance and all subs would be licensed and have workers comp (requirement for permitting). 

(I have read it can’t be which is why I’m at this point considering just going with a 30 year conventional loan and putting the 15% or 25% for SFH or MFH.2.