One issue that I'm noticing is the range of reported insurance costs.

You are still going to have holding costs and a heloc will just have less holding costs that you would if you were doing a personal line or hard money. 

I looking to take action Can anyone help with some questions I haveWill this property cost me to much down the road?

Leasing is a specialized skill—PMs deal with this daily, making them far better equipped to handle applications, verify income, conduct background checks, and evaluate a tenant’s overall suitability.Protecting Your Investment:The cost of a bad tenant can be far greater than the cost of hiring a professional.

Cost $5,000I sent out 500 post cards on several occasions that I designed and bought two houses.

No requirement to be in the inner circle other than to get the 100% funding up to 65% of ARV, otherwise it is 90% of acquisition cost + 100% construction costs up to 65% of funding.

U will never hit the numbers ever in renovations as there is no way to know the unknown.. just make sure there is plenty of margin above you all in price and cost of capital. 

Account for all costs, including closing fees, holding costs, and repairs.

Every market will vary due to labor costs. 

For me the area I was concerned with was estimating costs.