You can also use your regular credit card or debit  card, download those transactions automatically for expenses and label that expense a rental expense for property #X so you can co-mingle personal and rental expenses if you aren't incorporated.

If possible, can I incorporate these 2 business together, or should I start an LLC?

It is about being smart, collecting data, and incorporating to guide you what actions to take.

In my first 6 months I was able to raise 70k in corporate credit lines at 0% interests for 12-18 months and shortly after that I started receiving check book lines with 3% check cashing fees.

@Thierry Van RoyThe concept of the incorporated, sole proprietorship (LLC) does not exist here in Canada either.

For one of my properties, when I incorporate the losses (depreciation, insurance, tax, repairs) in comparison w/ my rental income, I get a net gain.

Two years ago I stepped away from 25 years as an HR Generalist/Director in Corporate America to build and manage a furnished rental business, and I haven't looked back.

I haven't incorporated or opened an LLC yet.  

UBIT still apples to an IRA LLC than incorporates debt financing. 

It’s a plug in for your website too so it’s easy to incorporate