Total time spent throughout the year may be significant, depending on the number of properties and amount of activities, but year end is no more difficult than any other time period they're doing. 

Typical equity build up time is 5 years, depending on your market.But can you purchase another rental using your own capital?

Rents should be a modest $1500 per side, depending on the time of year I’m able to get it on market.

Your credit score is high enough to get something done, but whether or not that delinquency will fly is going to depend on the lender/underwriter.

Quartz is a little tricky, but for the most part, a slab of Calacatta will cost somewhere around $750-$1,250 depending on the grade and thickness.

Damage to the garage, depending on how much and what it is, charge them and get it fixed. 

Deduct NEW property taxes after you buyDeduct home insurance costsDeduct maintenance percentage, typically 10%Deduct vacancy+tenant nonperformance percentage(we recommend 5% for Class A, 10% Class B, 20% Class C, good luck with Class D)Deduct whatever dollar/percentage of cashflow you wantNow, what you have left over is the amount for debt service.Enter it into a mortgage calculator, with current interest rate for an investment property, to determine your maximum mortgage amount.Divide the mortgage amount by either 75% or 80%, depending on the required down payment percentage - this is your tentative price to offer.If the property needs repairs, you'll want to deduct 110%-120% of the estimated repairs from this amount.Be sure to also research the ARV and make sure it's 10-20% higher than your tentative purchase price.As long as the ARV checks out, this is the purchase price to offer.It is probably significantly below the asking price.

Depending on the flooring specs you *might* be out of luck because a lot of LVP/laminate type flooring specifies on the install that straight runs will be no longer than X number of feet and room changes will be installed with a transition.

'well it depends'.

As a few have mentioned, the best way would be to call the listing agents directly, but depending on how much time you want to dedicate, setting and going on multiple appointments with different people could prove to be time-consuming.