From the homes we manage here in Central Florida any benefit of your utility bill is negated by the financing of the panels.

Using a Heloc utilizes the equity that is sitting dormant, it provides tax relief (once again check with your tax professional) as it is interest income, you can typically get a reasonable rate andlastly there is no out of pocket money.

We do have a regional airport that provides connecting flights to Dallas but it is unreliable/expensive and they are unable to extend the runway to land  bigger commercial jets and don't have room to expand the common areas that would accommodate more customers.

Those who do understand it aren’t struggling.Here’s the common flaw: people think a circumstance equals motivation.Foreclosure = motivatedTax lien = motivatedAbsentee owner = motivatedThat’s just not true.Motivation is an emotional response to a circumstance, not the circumstance itself.Let me give you an example.

But, if you pay utilities, it might make sense to add a bit for the extra water / electricity.Personally, I would use this as an opportunity to tear up that 3 year lease. 

Thank you in advanceDepending on tree type might be able to trade or sell for the workCost for all utilities and street will vary depending on the type of road you will have inverted or crowned. - how many catch basins you will need, hydrants   - etc.Very important you must utilize both sides of the road to maximize your effective cost for the road and utilities when building.

Rate should not exceed 12.5% at most and more commonly about 11.75%.

Utilities are absent.

Any tips on avoiding common mistakes?

Quote from @Clarissa Finks: Software is a common question on BiggerPockets.