Compare the verses you know to what they are in the target language.This post http://askakorean.blogspot.com/2010/01/koreans-eng... is by a Korean guy who moved to California when he was in 10th grade (about 15 years old), and wanted to improve his English skills beyond what he had learned in public school in Korea. 

Many BP members have used this to help them choose which neighborhoods they want to invest in.The Ultimate Guide to Grading Cleveland Neighborhoods

C, maybe even a D grade.

There was a lot of commotion about Detroit as a site for Amazon's new headquarters, but it didn't make the grade, for many obvious reasons. 

A couple years ago during the great recession maybe, but the market is back now so the decent duplexes in C-Grade areas are going to run you $75kish & in B-Grade areas they will be $100-120k+

Treat this as REI 101 and the grade is pass vs fail. 

The difference in investment is less than $2k for using good materials instead of standard grade materials but it raises the value a lot more than those $3k.

What carpet are you all using (style, color, grade) and where's the best place to purchase?

To get the good grades (and qualify for tuition reimbursement) you will spend another 10 hours per week studying.  

You can do renos with basic materials that will last 10-15 years...commercial grade fixtures, not decorator's grade.