Try to narrow down your options to the top 3-4.

As cash is low to even invest in another property in Canada - would courses be a viable option to learn Air BNB arbitrage or STR to potentially earn side income  ? 

We are exploring our options for financing, I’ve talked with a private investor, looking into a HELOC, also made some calls around for a hard money loan.

In many places, giving proper notice that you're not renewing the lease is perfectly acceptable, but specifics vary by location.Another option to consider is "cash for keys," where you offer the tenant a financial incentive to leave early.

So are least options still a thing in Texas? 

I wouldn’t necessarily want to only put 5 percent down but maybe somewhere between 5 and 20 percent. im just wondering if I have the option of not having to put 25 percent down like a commercial or investment loan. 

There are a lot of options for foreign investors though.

BRRRR seems like a good option for the market in Milwaukee.

.# 4 usually requires more explanation as its newer to the market (DM me if interested in discussing these options further), but all 1-4 appear to be potential options for you based on the limited details. 

The options are endless.