What kind of loan options are available to do this? 

5) Do they provide options for 3D Tours and floorplans?

Are there better options, or should I self-manage despite the learning curve?  

Establish connections with real estate brokers that focus on investment properties.Funding: Explore various funding options, such as partnerships, hard money lenders, private lenders, and conventional mortgages.Make use of your experience in building to precisely estimate repair costs and provide prospective lenders with well-prepared project proposals.Look into any grants or incentives that may be available to real estate investors on a local and federal level.Create a concise business strategy that outlines your objectives, both short- and long-term, target properties, and investment tactics.Remember, each real estate market is unique, so adapt your strategies based on your local conditions.

It is best to have both options as exit strategies.

There are some unique loan options available for STRs--feel free to use me as a resource for any lending questions! 

What about other potential loan options like 401(k)?

I have about $40K of savings that we can use to start us off but I would like to see if there are other options to get more seed money. 

If this quote gives you the option to lock your rate until the expected closing this fall, the long lock could be contributing to the high cost.  

While I have enough capital to complete this initial project, I lack the funds for subsequent developments.As I build equity with this first property, but face a shortage of capital for future endeavors, I'm considering my options with the bank.