But per lot it will cost roughly the following:$1,500 Electrical poles, meter installation $2,000 water taps and connections$5,000 grading and land prep$8,000 septic installation (assuming a 1:1 ratio of homes to 1000 gallon septics)$5,000 down payment on each home ($700-750 / thereafter per unit)$21,500 total set up x 17 = $365,000Ongoing expenses after development would look something this for POH model: $12,750 a month in mobile home mortgages (17 x 750 for PITI on each unit) $1,900 a month in land mortgage PITI (house) $3,000 a month landscaping$2,000 a month in reserve emergency fund$2,200 management$21,850 a month total expenses $262,200‬/yearOngoing incomes after development would look something this for POH model:$27,000/month ($1500 x 18 {17 mobile homes plus house})$324,000/year324k-262,2k = 61,800 net pre-tax profit or $5,150/month.Opportunities to reduce start up expenses: Bulk deals with the government or contractors for doing all the work at once (electrical, water, land grading, septic) Trade free rent for someone to mow and landscape (turning a $3k event into a $650 event every month).

What is the likelihood of approval, and what are the time and cost implications?

I've already bought the property because I was afraid of rising rates (got a 3.4% thank goodness because they're literally in the 7s now), but it's still costing me 1800/month before construction starts.

If no useful seeds are put into it, then an abundance of useless weed seeds will fall therein, and will continue to produce their kind.”James Allen, As a Man ThinkethThe human brain is much more powerful than many realize.

Do you have recommendations for low cost options to post a 10 day notice on the property? 

I don't think it costs anything to list on zillow. 

For example, a seller headed to foreclosure who doesn't have enough equity to sell the property and may commissions and closing costs.

I’ve worked with some investors who have no desire to self manage and the cost to have a property manager is well worth it, while others make time to manage everything and enjoy it.

Not necessarily land, as it is very costly to build there as all materials except for some concrete products have to be shipped in.

Do you need a course costing $1,000's which could be put into another property?