Decently likely she's trying to pull one over on you, and even if she's not, collecting rent by card in general comes with a lot of things that could wrong and hardly any upside except convenience.

Operating Convenience Administration: Managing the LLC might be easier if it’s formed in the state where you reside, especially if you plan to handle administrative tasks yourself.

This project could play a key role in addressing Montreal’s ongoing housing challenges.US: Convenience Stores Evolve Amidst InflationIn the US, convenience stores are expanding their offerings to include more prepared foods like nitro cold brew coffee and chicken curry rice balls.

I am bothered by the casual nature in which Diem speaks about her bankruptcy in that it seems to be one of convenience rather than necessity. 

The best deal I made (for me) was an 75% Interest in a small property rented to a convenience store.  

Find out if there is a wall with convenient access to plumbing drains. and if that area could work as a kitchen.

Caveat, experienced investors rarely "shop" they usually have one or two lenders that specialize in certain products, keep all of the investor's data on file with current documents and they tend to care more about convenience, experience, and just getting the deal closed so they will continue to go to the same lender who can make that happen. 

Give 60 days notice and set your increase based on comparable properties and the convenience on not putting out the money for the rehab now.

I would say it all depends on location.For me, Home Depot is the most convenient for building materials (wood, sheetrock, screws), but for finishes including appliances, cabinets, windows, and flooring, I shop around my local distributors.

It looks convenient where I can fill out form online to complete the application.