Would QuickBooks be my best bet or is there something else that would fit my needs better?  

The couple is older, and they are having trouble betting into the standard bathtub/shower.

Having everything together will be your best bet..

They won't necessarily pick the cheapest place - reasonable people tend to be suspicious of super-cheap prices - but they'll hedge their bets with lower-cost rates, which drives everything down.

I believe BH is considered "rural", so I suspect your best bet would be to reach out to a local bank like SBSU.

Because with judgment liens lasting 20+ years and federal court collection powers, you better not miss.Question: Is your estate plan accounting for potential judgment liens, or are you betting the IRS won't be proactive in the final months before CSED expiration?

Unless you don't care about cost (which you indicated you do) your best bet is to work with a broker. 

Markets are now betting on another 0.25% Fed rate cut next week, and mortgage rates are already drifting down in anticipation.👉 Why it matters: Lower inflation means less pressure on rates — and that can help more buyers qualify, reopen stalled deals, and boost fall and winter activity for agents.🏡 September Existing Home Sales Tick HigherExisting home closings rose 1.5% from August and 4.1% year-over-year, according to the National Association of REALTORS®.

Some web searching has brought "Property Managers Inc." and "Integrity Pro" to my attention. 

High fee 8% / 10%, they are the most reliable companies in most cases, sometimes the leasing model is to hire local agents that gives a better marketing on your property to reduce vacancy rate, and when offering betted vendors they have the best prices.2.