Keep up with changes in rules, market trends, and investing techniques.3.

Income shifting is a valid technique to reduce your taxable income at a higher tax bracket, by moving that income over to your children who will pay little or no taxes on their income. 

Have you been successful trying your first suggested technique of agreeing to the offer but asking for them to pay for the repairs/closing costs?

Creative financing and various marketing techniques work throughout the real estate industry.  

In many cases the free option might be the better decision when it comes to improving your cash flow because of how quick and easy it is and because it’s far less complicated than going through a refinance.Strangely, I’ve also noticed that most real estate investing books never mention this technique either, and in rare case when they do touch upon it, they almost always gloss over the benefits such as paying off your mortgage faster than you thought possible at no cost.

I'm now using creative financing techniques to build a self storage/industrial portfolio with 3 partners.

I know equity stripping techniques have already been discussed in a much more formal context. 

Over the past 20 years I can recall the names of at least a dozen so-called investment gurus who expounded the virtues of a wide as­sortment of “get rich” techniques.

Someone suggested Doorknocking as a marketing technique for me. 

After foreclosures dried up, I have had to shift my business focus and marketing techniques until the next wave of foreclosures happens.