Location draws the potenial buyer to an area (emotional). Then price and condition are the logical factors. When the budget doen't fit the area, then the buyer seeks other locales to fit their need. By upgrading or renovating it will be an important eliment in your value and will certainly help out the marketability of your house.
HOWEVER. if you have done these things just to be competitive with what everyone else has already done.........you have only equalized your marketability and now must focus on your price point.
Square footage, amenities, lot size, covered parking, curb appeal, brick vs. wood, cul de sac vs. busy street, etc. can also play into the appraised value of your home.
As long as you have not overbuilt / upgraded for your neighborhood, the items listed above you should get a dime back for every nickle you spent. Above it shows 38119 zip, so don't compare yourself to 38120 - the same as a 3br 2 ba in Memphis is going to be much, much more affordable than say the same in San Francisco (apples and oranges).