Need help i have 50k but i am stuck

[Sade McLean]

so i have 50k....1 airbnb home that needs renovation to make more money....3 other rental properties..1 is paid off the others has mortgages...I want to refinance one property in order to purchase a multifamily home in which i havent found yet...should I only have 50k liquid cash though, everything else is tied up...what should i do? I do want to invest in my airbnb to increase a little more revenue however I dont want too put all of the 50k in there ....the point is i need more income, im not making enough with what I have any suggestions???