We are so confident in our service we offer a satisfaction guarantee.

If you are confident with your numbers then this could be a "go". 

My fear for you is that there is so much that all that preparation can’t prepare you for... so I fear you could  forge ahead with a false sense of over-confidence.  

Owners appear to have regained confidence and as a result inventory continues to remain scarce (which you already know). 

@DJ Baker in addition to what @Rachel H. shared above, don't allow your DD period to expire unless you are confident that the demand is adequate. 

Unless you feel confident they will use the front room for dining and downstairs for living.

Once you feel confident and have the necessary funds saved up you will be ready to take down your first deal.

If you don't feel confident in your abilities or you don't have the time to dedicate to the design details, you should use someone who has talent and who can develop your vision/needs/wants/etc. 

What are you doing to feel confident about potential rent?

The homeowner's credit is still on the hook for the loan and they need to be confident that you won't screw them.