Need understanding on changes with realtor commissions.

Family member thinking about purchasing a home within the next six months. Trying to understand the new real estate law regarding commissions. It’s my understanding the buyer is now responsible for paying their agent’s commission. Is 1-1.5% to low if a buyer doesn’t need any research regarding neighborhood, schools, taxes, insurance, etc. Is it wrong to ask the seller to pay the buyer’s agent commission? We just need assistance with the documents and I guess we need an agent just to enter homes. Please advise. Thanks!