What Every Real Estate Investor Needs To Know About CASH FLOW...and 36 Other Key Financial Measures" by Frank Gallinelli.Prior to getting this book I would search the internet and read a lot about the formulas and the reasoning behind the calculations.Good Luck!

Study "for sale" and sold comparison value properties on the internet.  

looking into it, the internet estimates seem pretty reasonable on changing out the electrical service.

Be it from a mentor, friend, course, internet, forum, blogs, free seminar, paid seminar, etc.

Hi - does anyone know of an Internet based intercom system.

Get the company's number from the Internet.  

Also, if I've learned one thing about the internet is if there's a paid version of a software, there's usually a free one.

a real investor will know this and will provide POF or PRE Qual that is not some buy it off the internet piece of crap..

I'm going to ask what might be seen as an impertinent question here, so feel free to give generic answers (or no answer - I'm not looking to make anyone upset.)I see a ton of big numbers thrown around on the BP forums (buying 350 properties during a downturn, owning 500 properties, etc.) and while I think some of the "Internet Law of Averaging" may apply (i.e. take reality and multiply it by as much as necessary to make it sound impressive) I get the impression there isn't a ton of that happening here.

This is not something that can be "copied from the internet" or RocketLaw or any similar source.Seller finance requires help from either a qualified consultancy and/or a qualified attorney and/or both if the operator want to stay legal and out of trouble.