utm_source=BiggerPockets+Newsletter&utm_campaign=65d81ad5e0-January_17_2013_Newsletter&utm_medium=emailwhen I came across this paragraphSo based on the typical house flip formula of 70% of after-repaired-value, minus repairs, he should not pay more than $65,000 ($100,000 * .7 – $5,000 = $65,000).And I was just wondering if anyone is really sticking to the 70% rule in this competitive buying market?

I am new to BiggerPockets and trying to find out is there a simple calculation sheet on BiggerPockets  already with formulas for figuring the cost for an A to B and B to C transaction.

It an other on line appraisals are a math formula that uses zip codes, sales and assesment data.Garbage in, garbage out.If the assessment data is wrong the Zillow value will be wrong.

Particular spreadsheets, formulas, guiding principles, etc

Is there a REI formula for what is considered full retail or full market value?

In Illinois the amount a tenant pays varies by some formula that Section 8 uses based on the tenants earnings.

Rich Dad Poor DadRich Dads Cash Flow QuadrantRich Dads Increase your financial IQThe Real Book of Real EstateThe ABC’s of RE InvestingThe ABC’s of PMRich Dad RE Tax AdvantagesThe E-MythThe 4 Hour Work Weekhttp://flip2freedomacademy.com - free e-bookFlip2freedom episode 77[http://www.flip2freedom.com/a-3-step-formula-to-a-successful-balanced-and-insanely-profitable-2012/] - podcast - LISTEN TO THIS TODAY!

I have been in Real Estate for a while, buying and holding property.Now I want to branch out to wholesaleing.I went to Peter and Dave's The Flipping Formula in Ontario last weekend, and it was VERY clear that that was the path not to take.In looking at Reviews, the most intelligent ones came from BiggerPockets, so here I am.I want to learn, and seek a Mentor to help me with the occasional confusing aspects of this business.  

If you try different numbers in a formula and see different results ask yourself if you understand how and why the results are different, In other words do you really understand what you are doing by using a certain formula, spreadsheet or whatever tool you are using?

There is no exact formula or figure for this but more of a personal choice.