The seller walked outside with the neighbor and showed her the survey markings but the neighbor still contested.  

Unless you can guestimate the finished floor of the house is within 1 ft of the flood elevation (the digital survey are good to + or - 1/2 of the contour interval, that is two foot contours could be off by 1 ft), it's probably not worth the cost of a survey.

Enter on the appointed day to survey the apartment and then post a 3-day pay or quit notice.

I will probably target a few properties at different value levels, just to get a decent survey.

Due diligence included property inspections, survey, septic inspections, termite letters, and more than one walkthrough.  

My understanding, based on a survey, is that about 50% of real estate investors use some form of LLC.

Do you typically purchase a survey when purchasing a new property?

Can't say the same for the condo rental market in San Francisco.With that said, the amazing thing about San Francisco, in one of the highest cost living areas of the country, is that it continues to buck the trend with surveys showing a rent payment of over 95% which is far higher than the national average of between 80-85%.

Request a land survey to see if it matches what is listed.  

Appraiser uses market rent survey NOT str and ARV not used.