Need advice on Rehab funds

[Matthew Jordan]

New to Bigger Pockets and to real-estate investing and could use some advice. In July of last year with a partner I purchased a duplex In Bakersfield CA. for $200,000 (Yes it needs work) We put 25% down of our own money and it cash flows very little but we know there is a lot of room to raise rent especially after renovations. we are pretty sure it is worth around $270000 now and there is enough space and the zoning will allow for 4 more units on the property. We want to start by kicking out the tenants who are on month to month (they are horrible by the way) and renovating but don't have the cash to pay out of pocket. Is a Heloc the best option to get it done? If not what are some suggestions? Also would it make since to just try and get a loan to add some moduler units to it all at once or should we scale it and start with the renovations and get it cash flowing first? Thanks in advance