See, you have a tremendous advantage over me.Of course when you are my age, you talk about your experience and how your knowledge negotiating skills lets you do deals others can't pull off.Do you know one of the most successful advertising campaigns ever?

It takes money and/or mad skills to make money.

It is either education, experience, or your interview skills and resume/cover letter writing needs some improvement.

I'll try to work on my camera skills tomorrow! 

Conventional is a better product for the home owner hoping to turn a profit, the soft costs add up.

A skillful negotiator can add a ton of value here.

I am a landlord and need to have an addendum signed to extend the lease for only few month. Can I just get a signed copy by the tenant and I to be legally valid or do I need it signed in person?

It's fairly easy if you have some handyman skills.

If it is soft enough then it is a possibility; too hard then forget it. 

As a new real estate investor and using my research skills I discovered that I learn better when I can get information in shorter bits.