You want to show them that you offer a good return with minimal risk, a solid plan, data and resources to back up that plan.

Minimal work.  

The ones that are just networking (not the ones trying to sell you a program) can get you a lot of info for minimal cost.

I would like to minimize my reportable profit in the current transaction, which will be taxed as ordinary income plus self employment tax (yuck), in favor of larger taxable gain, at more favorable rates, in the future.

A designer can help you maximize your space and minimize your costs, help you prioritize your needs and wants to stay within the remodel budget, and provide plenty of options for materials across a range of price points.If you’re going the DIY route, price everything individually, from the professionals you’ll need to hire and the Flooring Options you’re considering to the appliances, fixtures, and furniture that speak to your heart.

The tricky part here is that the farming sibling can't afford to buy out all the other siblings, so we'd like a tax-advantaged way to minimize property taxes during this time (~6 years).Any recommendations you have would be great to hear! 

If part of the goal of living in a truck is to avoid/minimize housing costs, you might still be able to get away with $0 rent if the other unit(s) pay for the full mortgage.

I purchased this in an attempt to pick up a property that was intentionally purchased as a rental, low price, and a condo to minimize repair work to inside the unit.

If you think it might be the case there are companies that can apply reflective film to minimize the penetration of the sun/heat

I think perhaps if I did some minimal repairs and cosmetic fixing up, and raised the rent $100 —$200 that could be doable.