Ideally, one unit I can rent out long term and one unit for short term (3-6 months seasonally) that I might use every once in a while / on the off season.

To overcome this, you need to know the neighborhoods Here's a breakdown of areas that would be ideal for fix and flips and or rentals West Side Detroit Neighborhoods:Bagley 48221Fitzgerald/Marygrove: 48221Aviation Sub: 48204North Rosedale Park: 48219, 48223Rosedale Park: 48223Grantmont: 48223, 48227Grantmont #1: 48223Russell Woods: 48238East English Village: 48224Southwest Detroit: 48216, 48210Redford: 48239, 48240Warrendale:48228 I have given the neighborhoods and zip codes of the areas to be researched.

Then what's the ideal approx range you recommend?

He basically helped get his sons into real estate and arborist services because they didn't have a clear direction.That's an ideal scenario.

How many square feet?And what do people want to see around Tampa?

Ideal spend is $400-$650k.Is Southern California just a death trap for ROI and people get rich here with appreciation only?

The tenants that are currently there are good people who take care of property so not too worried about damages and the price was ideal.

Ideally, I’d like to buy it, and fix/update both sides at the same time for ease on my end.

The details matter a great deal on BRRRR. ideally, you want to have all your steps mapped before you even execute on the B, the buy. 

Maybe, but some agents will actually push you to make a less than ideal purchase.