This deal should increase cash flow by 2700/mth over a 1 year time span and an increase in sweat equity by atleast 150k.  

Most often older the better actually, because manufacturing process's drastically changed and components have a quarter the use span older components have.     

BTW housing prices fall inter-year, not on a 5-year span.

This realization left me astonished at my own capabilities.In 2021, within the span of a year, I successfully made an offer on my first condo, situated near the famous Las Vegas Strip by Bellagio.

Now if you don't like long-term data, let's use last 20 yrs only, from JPMorgan Wealth Management Teams in house data, which covers a boom a bust and a boom and a pan-demic, typical for a US 20yr span. which gives us 9.5% nominal (REITS beat SP500 by the way), but the key number is the orange bar, 3.6%, That is what the average wealthy college educated client of theirs dose, hundreds of thousands of clients.

It involves multiple steps from land acquisition and zoning to construction and sale, typically spanning several years.

I am immensely grateful that the pandemic, in its own peculiar way, presented me with the opportunity to save money and devote time to rectifying my credit score, ultimately enabling me to pay off all my debts within the span of that very year.Emboldened by this newfound financial stability, I ventured into the realm of real estate by earnestly exploring available condominium options in Las Vegas, Nevada.

If you have a 1-4 year time span, just be patient. 

The remaining Items will be depreciated based on the life span of the item and according to the depreciation schedule 5.

You can find every type of property in everything spanning from A class to C-.