look at your experience level with reality in mind.I would want to feel very comfortable about those things before spending time on deals and money when i had no real capacity to transact no matter who the lender was.

You will do better door knocking when you feel comfortable, and when you feel comfortable the people in front of you will feel more comfortable and they can tell (but we should also not feel like you are dressing for your living room either), and so dress how you would want to dress, in a way that is clean, professional, but more casual in clothes that fit well and are not uncomfortable to tight or too big--  otherwise you will feel it as soon as you knock on the door.  

You have another three years to sell and still meet the requirements to exclude gains under Section 121.If you decide to hold the property and relax with a continued market appreciation and cash flow, three years of future appreciation is a gain that can be excluded when you sell within that time window.Because of Austin's powerful appreciation and positive cash flow, it might be better to hold the property long-term.

If I buy these lots—7,500 square feet with a 50’ width—how comfortable can I be that the person who buys them from me will be allowed to build a house on them?

I needs to be comfortable for the group.You need to decide what your demographic is.

Relaxing occupancy limits seems like low hanging fruit in that effort. 

Get out of your comfort zone.

They aggressively de-lever to not only create more cash flow without having to buy more assets, but also because they are starting to think about estate planning and how to efficiently create a very comfortable life for their kids.Lots of debt, long term debt or no debt are all right answers.  

It’s important to ensure that you feel comfortable with the team members they provide.

Most of our 3 bedroom 2 baths fit 10-12 people comfortably.