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Yes, removing the weeds first then smothering with a good quality landscape cloth.

We can help you with pruning, repotting and care information; just provide us the type of plant you are referencing!

We understand your concern, but we don't think there is much to worry about with the grass clippings being used as mulch and weed suppression. Piled grass clippings are usually quite wet and dense and not a draw for habitat for the type of animal life you mention. And grass clipping should not emit much odor as they decompose.

Consider it a good thing that he is recycling and using mulch to suppress unwanted growth, instead of herbicides.

A compass will always point to magnetic North, no matter what. Tall plants should be on the north side of the garden, while short plants should be on the south side.

If you are facing the sun, then you will either be facing Southeast, or Southwest depending on the time of day.

This article will help you with your Ponytail Palm.
https://www.gardeningknowhow.com/houseplants/ponytail-palm/propagating-ponytail-palm-pups.htm

Its a challenge to grow plants indoors, especially food producers.
One key is providing light from a sunny window or installing a "grow light".
Then you need to have a designated area with pots or a planning box with a good soil medium and provision for water drainage and collection of excess water at the base.

Here are some articles with suggestions:

https://www.gardeningknowhow.com/houseplants/hpgen/growing-edible-houseplants.htm

https://www.gardeningknowhow.com/houseplants/hpgen/what-are-grow-lights.htm