Replacement cost on a 20 year old dishwasher won't be much. 

Hire a cheap crew to tunnel and the real plumber to set and replace the pipe. 

Quote from @Hazel Anderson: Hello, bigger pockets pros, We have a rental property in Columbus and we are looking for a contractor who can replace the existing basement window with a standard sized window.

The conversation may lead to some form of "Would you mind if I replace it?"

I did have to replace a dishwasher early on and the stove but since then, zero appliance failures.

I am 30 myself income is good and I love my job so I am not looking to replace my income, just looking to invest wisely and build wealth. 

And it could take even longer than 6-12 months to find a replacement depending on the area.The other things to look at carefully are major Capex or maintenance expenses - you didn't mention whether this was a NNN lease.

The sofa bed was always temporary, and I plan to replace it with a queen + twin bunk setup, bringing the total occupancy to 7 long-term.To maximize income this summer, I’m debating keeping the sofa bed in a spare nook, bringing capacity to 9.

Imagine investing in all new, beautiful finishes, only to discover that the drain pipes are faulty and need to be replaced—an issue that could have been identified and addressed beforehand.

Choose wisely.