The lender is pushing you to do this to get an FHA loan.

Who was the lender?

There is some info here: https://yieldtalk.com/iintoo-review/.

Are there any hard money lenders that lend 90%?

just double checked my lender is now 80% LTV for short term rentals only 85% for long term rentals

It wouldn't hurt to set up time to meet with agents, property managers, lenders, and others while you’re visiting your markets of interst.

Here’s a breakdown of the main ways investors fund their first deal while minimizing their own cash outlay:1.Private Money & Hard Money Loans– These lenders focus more on the deal than on your personal finances.

I'd look for a good brand and spend some time looking at reviews from a big box store. 

I purchased this deal with a private/hard money lender.

Review your score and take necessary step to improve it if you are at 650 or below.