I've not heard of Investor's Edge, but definitely look at the backgrounds (resumes/Linked In profiles) of the principals to see what they did in the past. 

Right, I'm trying to not refi since I'm knocking down principal 50-60k a year but I may need to increase cash flow in the near future.

You will then have a few options with that rent money....you can put it into principal or you can start saving it to purchase yet another property.

This includes principal, interest, taxes, homeowners insurance and mortgage insurance!

But she wanted to know if she can deduct the principal amount that she paid to the person off of her taxes since she has to report the interest as income. 

Working with a hand saw is a lot safer..I am financing 3 larger deals at 7.45% now with a 20 year amortization and a 3,2,1 pre-payment penalty, which is important, because we are going to pay down the principal a little faster and probably will refinance in a couple of years, depending on what rates we see.You have to look at interest rates in the context of inflation, rents and home price appreciation.

You are assigned a crack CPA, with an accounting assistant who are overseen by a ProVision principal.  

Can I use Solo 401(k) as source of funds to pay 25% down and leverage debt for remaining principal amount to purchase a duplex that I will owner occupy and rent the other unit?  

Be a DON'T WANT-ER - always be willing and ready to walk if you can't get a good deal - And understand that you can always come back to that seller later and begin Second Stage NegotiationsAsk the 7 wordsAlways consider a subject to offerAlways ask for seller financingUse the Study Period Clause with right of possession to control properties without cashOffer seller participation - this is a great way to close dealsOffer something other cash - a note secured by your other equities, an unsecured note, a Principal only mortgage (using this technique you can offer more for the building since you are not paying interest - and as you know a direct reduction mortgage will pay off much faster.

You simply have to be honest in all your dealings with people and make the proper licensing disclosures so there is no chance of confusing the “I am representing you as an agent verses I am representing myself as a principal in this transaction”