I'm getting the "This import was unsuccessful" message when trying to import Betterment securities. This is one of the main reasons I use TurboTax...is there a solution?

If you have a copy of your 1099-B, you can save time by entering Category Totals, such as 'Long Term Covered', 'Short Term Uncovered', 'Wash Sales', etc. 

Here's more info:

https://ttlc.intuit.com/replies/4926553