Desperately seeking out any tips, tricks, or solutions those more experienced than us in this would recommend to prep the floor for tile in the most cost effective way; keeping in mind the rest of the house is finished, so we are trying to minimize damage to cabinets/drywall etc.

Plan out your rehabs strategically and cost-effectively.

noticed only thing that Zillow does not have is Coordinating Repairs & Maintenance or add handyman details to the platform for effective communications between tenant and local handyman.

My insurance coverage is in effect, but there is a $2500 deductible. 

For reference, the numbers for this deal are as follows: Purchase: $100k (Purchasing with 15% down, loan balance $85k)Rehab: $10kARV: $135k (New loan balance assuming 85% LTV refinance $114,750)As the lender stated, I'd effectively have no skin in the game once the deed was done, or at most $5k due to an overage in rehab, closing costs or carrying costs. 

Given you had 250,000 liquid why wouldn’t one:1) Purchase a 3 Bedroom 2 Bath Condo2) Rent out two rooms for 900 monthly each 3) Take the third room “effectively removing your rent payment you will need anywhere”Result - 2700 x 12 = 32,400 minus 10,000 for HOA and Yearly Property taxes. 

Keep doing what you're doing, hopefully, someday I'll regret not engaging you earlier. 

It is non-corrosive to concrete and tends to be effective over a longer duration.

Will this effect my chances of getting an FHA loan as a first time home buyer?

Is there a rule of thumb in terms of reserves/savings you must hold before buying your next (beyond the down payment) - in effect planning for the worst.