For example, if I buy a group of payments; do I have to wait for those payment numbers to arrive before I get paid back for them?

If you wait for that time you will never arrive at anything. 

If a seller doesn't like my offer or asks me how I arrived at my number it's very easy for me to show them as I have a specific method to calculate my max offer price.

Assuming it's finished in time, and you are able to show it and sign the lease before you leave, you have to have everything in place for their arrival.

Hey everyone! My name is Chris Horne and I'm a local real estate investor here in the Kansas City/Grandview, MO area. I've always wanted to learn the ins and outs of real estate and I have learned a lot thus far. Curr...

It is a process of constant corrections, all the while accounting for ever changing conditions (wind, currents, sails, storms, etc...) in order to arrive at the intended destination.

., how did you arrive or decide at 12% economic loss?

Their preapproval should list the loan amount, so you'll be able to figure out how much % down payment they are bringing.Have you personally looked at the appraisal and compared the comps used against those you used to arrive at your list price?

Some old park owners pile expenses from other businesses to reduce NOI to reduce income which reduces taxes.You need to buy the 30 day due dilligence kit from Frank and Dave at mobilehomeuniversity.com.The sellers (and or broker) are idiots taking raw income dividing by 0.1 (10 cap) to arrive at asking price!!!    

The meeting starts at 6:00 PM.You can arrive at any time but from 6:00 - 6:45 PM they'll have a Q&A which is very helpful for newbies.