As far as negotiating commissions: you get what you pay for just like anything else in life. 

Often times, they are renting until the can buy something whereas B class tenants are often renters for life.

Must give my opinion.I've taken numerous training classes/ workshops over the last decade.

You need to let your tenants do normal life things in the place they are renting.

I’ve talked to numerous local people and they tell me I need 20% down.

Although there are numerous safeguards, contracts, escrows, that can be used to mitigate the additional risk, that risk can not be eliminated.

If the software is not simplifying your life or making you more accurate, you shouldn't use it.

If there were a serious insurance claim, god forbid human injury or loss of life, and they do the same research discovering the non-conforming construction of habitable space, why would they bail you out?

I want to start house hacking and living a life of financial independence by the summer of 2025.

It’s worth considering how we can encourage and support these arrangements to improve the quality of life for older adults.