We'll be optimistic and assume it's only $40k.When you go to sell:Sale price: $90kClosing costs: -$4kCost basis before capex: $50kCost basis after capex: $90kNet gain/loss: -$4kTotal gross earnings over holding period: $71k before taxesTax: -$17k (optimistic 25% tax rate)Net earnings: $54k So you have $54k in earnings on your $50k investment over 10 years (that's 9% compounded).

But they said the underwriter will allow a counter offer if you can provide reason to believe your property is worth more via comps, recent sales, and links to these sales from Zillow and/or Redfin.I felt optimistic since my real estate agent buddy sent over comps showing that my property should appraise for at least $165k, since very recent sales of $170k, $175k, and $180k would indicate $155k was way too low. 

We surveyed the short term and long-term effects of the crisis by leveraging the “Wisdom of the Crowd”.In this analysis, there is a strong case to be optimistic about ‘B’ neighborhoods where it appears, they will offer both good ROI and stability.

Most optimistic return $50K for $480K cash, time, and effort.

I've painted an accurate picture of the area but I'm optimistic that I can find quality tenants even in this area.  

While everyone likes to be optimistic about the deal the day the contract is signed, I can't count the number of times I've looked back a few weeks later and wished I had gotten a whole lot more earnest money. 3.

Overly optimistic?

To be a good flipper and consistantly make money you need to have several skills and avoid severa mistakes that are very common:1) Overestimating ARV (after repair value) - it is human nature to be optimistic and look at the best case scenario, but you have to be realistic when analyzing the end sale price of a property.

If buy plus rehab is 70% of the eventual selling price (BE CONSERVATIVE, not optimistic), you use hard money to fund the deal, and sell within six months, you'll net a profit of about 15% of the selling price.

Some investors might be a little more optimistic and use 75%.