I had an empty LTR that was unfurnished and they paid an extra 650/month and also paid to furnish it for a 6 month rental. 

If things are tight right now, maybe consider a side hustle or extra job until rent adjustments give you more breathing room.

Unfortunately, she frequently turns it off to save on electricity, which exacerbates the issue.i have also sent her extra radiator heat so can just plug in , but she refuse to use because she has to pay high electric bill.She complained about the unit's insulation and requested that we install an additional baseboard heater( whats the use if she doesn't turn on the heat) .

I added "Google Street Pic" to my account and it successfully pulls Google images for about 75%, leaving about 80-100 leads without an image.

I myself didn't have any problem with the premium ad.

If you were able to pull out $500,000 in existing equity out of a paid off rental and disperse those funds to acquire 2, 4-unit MFR properties and had the income to support any future CapEx and the interest payments on your HELOC ( including the extra income to paydown the loan ) would there be any " gaps " or problems I'm missing in this situation where it would be a bad enough idea to not go through with acquiring more properties through a HELOC on 1 of 5 properties you own?

Let any potential renter know that you intend to convert the garage into an ADU and address any potential issues created by adding the ADU (parking, shared yard, quiet hours, etc.)

You could look at “FIG” (fourplex investment group) I get ads from them occasionally. 

Either way, I ended up adding my wife to my SMLLC to further clarify. 

It may sound nice to pay a 5% management fee but the extra fees can add up to be more than the other company that charges 10% with no add-on fees.