Another option without bringing in equity partners would be to see if the seller would owner finance a portion of the sale price in second position, say 30% and then get a first mortgage for 80%, so that you are effectively borrowing 10% more than the costs.

How can I research the current home sale prices and rents in a particular neighborhood?

So, I am assuming that a sale of a property triggers a new tax assessment by the town.  

So, I am assuming that a sale of a property triggers a new tax assessment by the town.

Purchase price: $278,000 Cash invested: $43,000 Sale price: $349,000 I did most of the rehab myself and regret it.

Tax assessments tend to be quite different from sale price.Since this is a foreclosure I assume it is currently vacant.  

Just reading an article today in the wsj: https://www.wsj.com/articles/u-s-existing-home-sales-dropped-in-september-1539957950?

In most states you do not have clear title unless a Quiet Title action is done, a certain number of years since the sale has passed, the past owner may have redemption rights, etc..Also check for zoning and use restrictions.....many vacant parcels go to tax sale because they can’t be built on and are useless..This is not something you want to buy if you don’t know exactly what risks you are assuming.  

Purchase price: $170,000 Cash invested: $70,000 Sale price: $325,000 Purchased this property under a contract for deed with $48,000 down and paid off on or before a year later so that we didn't have to pay a hard money lender What made you interested in investing in this type of deal?

Purchase price: $42,500 Cash invested: $60,000 Sale price: $127,000 1st house, purchased and flipped inside my Roth IRA.