This one is good.  

This is very useful.You could build a deck or gazebo to house a hot tub.

Yelp is a good source because it lets you read reviews of actual customers.

You can check out this group to know who the players are.

I have spreadsheets filled with material lists for every phase of the build that includes pricing for materials as well as labor, and sources that I use for them.

Her Facebook page seems to bear this out.

@Tobi Isaacs this would be better answered by other investors in your market. 

This one came from Massachusetts, a state where the eviction laws are not in the landlord's favor.

. 😉  Lack of investment capital (money) ought never be the obstacle because if the deal is right, the money will always appear.Then, you’ll need great data sources both for identifying opportunities and confirming the facts.

from my advice rural properties and developments aren't successful and you are climbing an uphill battle. sounds a little niche. we focus on developing and not reinventing the wheel. if this is truly what you want to focus all your time and energy on then visit the closest 5-10 of these that look like the ones you are interested and ask if they'd expand or build a secondary one. do a lot of research before you just take action