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All Forum Posts by: Account Closed

Account Closed has started 20 posts and replied 374 times.

Post: How Important is Technology in Real Estate

Account ClosedPosted
  • Lender
  • Los Angeles, CA
  • Posts 399
  • Votes 174

Do any of you use Docusign for lease and other important paper signing?  I own a condo near the local college and recently had 4 student tenants Docusign the lease agreement before moving in.  They all lived many miles away, some in different states, and all converged on the condo days before classes started.  I know it's a bit of a risk not fully interviewing everybody but they more or less already knew each other and one had rented the condo previously.  It was like a chain reaction, 4 would live there one semester, one would leave, another would come in, etc, seems to go on and on.  Docusign was a huge time and energy saver.

I'm interested in your feelings about electronic signing.

Post: Math/Finance

Account ClosedPosted
  • Lender
  • Los Angeles, CA
  • Posts 399
  • Votes 174
Originally posted by @Steve B.:

well apparently David C. aka "account closed"  was so disgusted by the LaPlace haters he deleted his account for the second time.

 I'm not disgusted with anything or anybody, not sure why you say that.  I know folks that make tons of money in re that struggle with basic arithmetic, nothing wrong with that.  Nothing wrong with an academic discussion either.

The thing I would be most concerned about, if I really cared, is that folks, especially newbies, when analyzing deals, think an acceptable profit margin is somewhere around 10% when the uncertainty of the variables that go into that analysis is greater than 10%.  This is something Che alluded to and I totally agree.

Cracks me up when somebody says a deal is good with a profit margin of 10% when their estimate of ARV is off by 20%. Happens more than some might think.

Post: Math/Finance

Account ClosedPosted
  • Lender
  • Los Angeles, CA
  • Posts 399
  • Votes 174

@Che Chiu Wong

"In actuality, the paper really means nothing for us though. Having a grasp of the uncertainty of the various parameters (e.g. discount rate, rent increase rate, ability to collect rent etc.) FAR outweighs the whatever results that the fancy formula comes out."

I totally agree.  This of course could be said about virtually every single formula discussed on this website.  If one doesn't have a grasp on uncertainties even the "exact" formula won't help.

Post: Math/Finance

Account ClosedPosted
  • Lender
  • Los Angeles, CA
  • Posts 399
  • Votes 174
Originally posted by @Che Chiu Wong:
Originally posted by @Steve B.:

@Che Chiu Wong

 Thanks for resuscitating this old thread, I forgot about all this jappery.

I wouldn't even know how you can do arithmetic using Laplace's Transform's  that is something I would like to see...if only once.

I am currently getting excited about using the NumPy and PANDAS libraries in python on Zillows free data sets.  I'm still getting up to speed with using this technology so i'm not an expert yet but it shows some promise.

 @Steve B., just for you.  This is one of the more readable examples found online.

Example  First 5 pages.

Let's focus more on "real" real estate topics =)

After looking at the paper you referenced, I wouldn't dismiss it so fast. While the math is daunting, the results are not. For example, to calculate Present Value most of us would run to a spreadsheet, not necessary given the Laplace results, PV is simply K/r (K=single cash flow payment, r=rate). There is however the underlying assumption that the cash flow is perpetual, which of course it never is. Based on a little spreadsheet analysis I just did, perpetuity is somewhere around 50 years, that is, the point where the approximation starts to approach actual. Hopefully I read it right, it's been a long time since I worked with this kind of math.

We use the rule of 72 all the time without caring what math was used to arrive at that approximation.