I aim for 100k because you need cushion for cost overages, surprises, market fluctuations, timing, etc.

I would aim to acquire 1 house a month in each market - in sub markets I would focus on wholesale and writing hard money loans to have secured interest to have some cash flow to cover fluctuations in the market.

While there may be short-term fluctuations in the market, a long-term approach focusing on preserving capital and generating returns will ultimately lead to generational wealth and success.

Your ARV could fluctuate by $200-$300k or more depending on what you do (or don't do). 

Difficult to figure out an average budget for oil prices based on price fluctuations per gallons.

That neighborhood really fluctuates.

Once you add speculation into the mix, you have a fluctuating value, which doesn't work for the trade of goods and services.

So, changes in rent due to fluctuations in rental demand are delayed by up to a year.Practical Limitations to Rent Increases - The maximum rent increases tenants can accommodate is usually 8-12%, so it takes time for rents to catch up to current market conditions.So, current price trends are an excellent indicator of future rent trends.

PLUS, those consumer loans ("i want to buy a house to live in") will fluctuate with the market daily, and sometimes will reprice mid-day as well.My best suggestion (yes, i'm bias) - do your vetting on the broker themselves. do they sound like they know what they're doing?

Let's assume there's no concern about a crash or major worldwide event, but rather just normal fluctuating markets.