You will definitely need a detailed scope of work to get accurate estimates. 

The best way to ensure correct filing is to have accurate bookkeeping and records.

I'm not 100% sure, maybe someone else can verify if that statement is accurate.

Good agents know that you won't be a one shot wonder, and will provide that added value to tell you to consider other properties, or if your bidding possibly too high or too low, and be accurate in their assessment.

Investing is not gambling.  

Have you accurately allocated for all the costs?

I'm new here I haven't gotten much time to post much here I've gotten a few advice on stuff and it's been hard to reply and thank people for the advise but it's been hard juggling my family and work see that my wife haven't been able to find stuff but I'm trying to make things better for my family so I'm asking for help with 2 things the no money down investment and a good website for accurate pre-foreclosure can anyone help i live in Brooklyn New York 

I can complete an accurate frame take-off with a ruler and calculator.

Cap rates are manually typed in by Brokers/Sellers so accurate or not depends on the property.

You might think this would be an accurate source, but many towns are very slow at entering new owner info, sometimes taking 12 months or even more.With bank owned properties, forget about trying to "contact someone" at the bank to make an offer to purchase the property.