You should tell your friend to watch a few episodes of kitchen nightmares :D-Christopher

It didn't need to be.The agent met the seller, took our earnest-money check and a signed agreement of sale and slapped them down on their kitchen table, explained that he knew us and we don't back out of these sales, and the seller signed right on the line that is dotted.

Is there a source online to purchase quality kitchen cabinets at a price that won't break the bank? 

As for flooring, I think I will keep the existing carpet (LR, BRs), clean them up, and install wood look like vinyl planks in the kitchen.

Currently we have this on the listReplacing interior door knobsInstall Kitchen CabinetsReplace Trims /Patch TrimsInstall drywall bathroom/tile shower surroundReplace Exterior doorsNew Door bellFix outside wooden railLet me know what you think, if i should get specialist for any of the tasks above?

Is this the water main line , or the pipes feeding the baths and kitchens ?  

The cabinets are in good condition but I’d like to change the color to give the kitchen a facelift & get a little bit more income from the unit (along with replacing floors & painting) What is the best way to refinish the cabinets while ensuring they’ll still be durable for renters?

New flooring in kitchen.

Kitchen needed help wallpaper everywhere.

Any upgrades or repairs, to kitchen appliances, in unit laundry, water heater or AC unit.