In addition to the actual work of doing the grading, asphalt, all the utilities etc. you will have engineering and surveying costs, permit cost etc.Hook up fees / tap fees will be paid by the individual building on each lot as you go along there are no discounts no matter how many hook ups you have. 

Probably not if you just have a pad lock.What kind of parking surface: asphalt, gravel, or grass? 

If I start pounding the pavement and get some deals, where do I sell them?

Not sure how it would stand up to hurricane force winds but I'd wager better than asphalt shingles.

Many capex items can be accelerated, however the real benefit comes on the acquisition cost, which can be cost segregated.Some examples of common capex 5-year (personal property) depreciation would be, cabinets, carpeting, vinyl flooring, kitchen appliances, counter tops, bathroom fixtures, and much more. 15-year (land improvements) depreciation that are commonly on the capex list, landscaping, pavement, signage, etc.  

. Half bath in asphalt

.#3 Contact Local Contractors for Labor PricingCall local Subcontractors and get budget pricing for common repairs on your typical rehab project.For example, call a roofer and ask what their average cost per Square of Architectural Asphalt Shingle Roofing would be on a 1,500 sf house, with a 6/12 pitch.Note: Some contractors will be reluctant to share pricing without seeing the property, but tell them you are just looking for a rough budget number you can use on future projects.#4 Compile Your Prices into a Spreadsheet or Estimating SoftwareOnce you start to get a better understanding of Labor and Material costs you will want to store this data into a spreadsheet or software that you can use to help you streamline the estimating process.The Book on Estimating Rehab Costs comes with a spreadsheet that you can use to help you populate your own database of labor pricing and material pricing.

Info on fencing, surveillance, climate controlled vs. outdoor, concrete vs. asphalt vs. gravel.

It’s an asphalt roof.

They will not allow you to do stuff to lay waste to the property so if the pavement gets rough or the roof gets below 5 years, you'll get your hand forced on CapEx3) WRT 2), if they can force you to spend enough, they may be able to drive you to default and take the property back for the value of debtI wish I could say I trust hard money guys since they serve a purpose, but I've seen too many bad outcomes.Otherwise, before you go for higher LTV, realize that while NOI stays the same, your CFBT (= NOI - debt) is going to shrink.