Is it safe for a young female to be a wholesaler?

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I'm really interested in becoming a wholesaler. However, as a young, single female I simply do not feel comfortable just going inside random people's houses! I have heard of female realtors getting raped and worse, so if it's not safe for them I don't see how it would be safe for me to do this alone ( I don't have enough money to hire someone to go with me).  Is there any way to  do this while keeping my distance from  the sellers and buyers?  thank you for taking the time to read this, your help would be much appreciated :)